Finding the Fourth Proportional to 152,086.73, 228,130.59 and 57,291.47

Step by Step Solution

1. Step 1: Write the proportion equation
   152,086.73 : 228,130.59 = 57,291.47 : x
2. Step 2: Convert to fraction form
   152,086.73/228,130.59 = 57,291.47/x
3. Step 3: Cross multiply
   152,086.73x = 228,130.59 × 57,291.47
4. Step 4: Simplify right side
   152,086.73x = 13,069,936,674.68
5. Step 5: Solve for x
   x = 13,069,936,674.68/152,086.73
6. Step 6: Final answer
   x = 85,937.39