Finding the Fourth Proportional to 143,056,359,885.62, 197,408,881,508.42 and 78,823,489,657.34

Step by Step Solution

1. Step 1: Write the proportion equation
   143,056,359,885.62 : 197,408,881,508.42 = 78,823,489,657.34 : x
2. Step 2: Convert to fraction form
   143,056,359,885.62/197,408,881,508.42 = 78,823,489,657.34/x
3. Step 3: Cross multiply
   143,056,359,885.62x = 197,408,881,508.42 × 78,823,489,657.34
4. Step 4: Simplify right side
   143,056,359,885.62x = 15,560,456,929,846,002,450,432
5. Step 5: Solve for x
   x = 15,560,456,929,846,002,450,432/143,056,359,885.62
6. Step 6: Final answer
   x = 108,771,514,543.55