Finding the Fourth Proportional to 152,872.56, 229,237.56 and 58,120.38

Step by Step Solution

1. Step 1: Write the proportion equation
   152,872.56 : 229,237.56 = 58,120.38 : x
2. Step 2: Convert to fraction form
   152,872.56/229,237.56 = 58,120.38/x
3. Step 3: Cross multiply
   152,872.56x = 229,237.56 × 58,120.38
4. Step 4: Simplify right side
   152,872.56x = 13,323,374,097.47
5. Step 5: Solve for x
   x = 13,323,374,097.47/152,872.56
6. Step 6: Final answer
   x = 87,153.47