Finding the Fourth Proportional to 152,100.02, 227,989.15 and 57,289.18

Step by Step Solution

1. Step 1: Write the proportion equation
   152,100.02 : 227,989.15 = 57,289.18 : x
2. Step 2: Convert to fraction form
   152,100.02/227,989.15 = 57,289.18/x
3. Step 3: Cross multiply
   152,100.02x = 227,989.15 × 57,289.18
4. Step 4: Simplify right side
   152,100.02x = 13,061,311,807.90
5. Step 5: Solve for x
   x = 13,061,311,807.90/152,100.02
6. Step 6: Final answer
   x = 85,873.17