Finding the Fourth Proportional to 68,729.72, 94,892.72 and 52,785.68

Step by Step Solution

1. Step 1: Write the proportion equation
   68,729.72 : 94,892.72 = 52,785.68 : x
2. Step 2: Convert to fraction form
   68,729.72/94,892.72 = 52,785.68/x
3. Step 3: Cross multiply
   68,729.72x = 94,892.72 × 52,785.68
4. Step 4: Simplify right side
   68,729.72x = 5,008,976,752.25
5. Step 5: Solve for x
   x = 5,008,976,752.25/68,729.72
6. Step 6: Final answer
   x = 72,879.34