Finding the Fourth Proportional to 152,077.08, 209,892.41 and 88,451.78

Step by Step Solution

1. Step 1: Write the proportion equation
   152,077.08 : 209,892.41 = 88,451.78 : x
2. Step 2: Convert to fraction form
   152,077.08/209,892.41 = 88,451.78/x
3. Step 3: Cross multiply
   152,077.08x = 209,892.41 × 88,451.78
4. Step 4: Simplify right side
   152,077.08x = 18,565,355,781.27
5. Step 5: Solve for x
   x = 18,565,355,781.27/152,077.08
6. Step 6: Final answer
   x = 122,078.59