Finding the Fourth Proportional to 141,677.86, 195,508.43 and 78,003.76

Step by Step Solution

1. Step 1: Write the proportion equation
   141,677.86 : 195,508.43 = 78,003.76 : x
2. Step 2: Convert to fraction form
   141,677.86/195,508.43 = 78,003.76/x
3. Step 3: Cross multiply
   141,677.86x = 195,508.43 × 78,003.76
4. Step 4: Simplify right side
   141,677.86x = 15,250,392,065.42
5. Step 5: Solve for x
   x = 15,250,392,065.42/141,677.86
6. Step 6: Final answer
   x = 107,641.32