Finding the Fourth Proportional to 152,905.92, 229,426.56 and 59,418.72

Step by Step Solution

1. Step 1: Write the proportion equation
   152,905.92 : 229,426.56 = 59,418.72 : x
2. Step 2: Convert to fraction form
   152,905.92/229,426.56 = 59,418.72/x
3. Step 3: Cross multiply
   152,905.92x = 229,426.56 × 59,418.72
4. Step 4: Simplify right side
   152,905.92x = 13,632,232,529.20
5. Step 5: Solve for x
   x = 13,632,232,529.20/152,905.92
6. Step 6: Final answer
   x = 89,154.38