Finding the Fourth Proportional to 152,099.88, 227,988.94 and 57,289.04

Step by Step Solution

1. Step 1: Write the proportion equation
   152,099.88 : 227,988.94 = 57,289.04 : x
2. Step 2: Convert to fraction form
   152,099.88/227,988.94 = 57,289.04/x
3. Step 3: Cross multiply
   152,099.88x = 227,988.94 × 57,289.04
4. Step 4: Simplify right side
   152,099.88x = 13,061,267,662.52
5. Step 5: Solve for x
   x = 13,061,267,662.52/152,099.88
6. Step 6: Final answer
   x = 85,872.96