Finding the Fourth Proportional to 70,401.78, 97,184.88 and 42,102

Step by Step Solution

1. Step 1: Write the proportion equation
   70,401.78 : 97,184.88 = 42,102 : x
2. Step 2: Convert to fraction form
   70,401.78/97,184.88 = 42,102/x
3. Step 3: Cross multiply
   70,401.78x = 97,184.88 × 42,102
4. Step 4: Simplify right side
   70,401.78x = 4,091,677,817.76
5. Step 5: Solve for x
   x = 4,091,677,817.76/70,401.78
6. Step 6: Final answer
   x = 58,118.95