Finding the Fourth Proportional to 152,326.70, 228,529.47 and 89,200.16

Step by Step Solution

1. Step 1: Write the proportion equation
   152,326.70 : 228,529.47 = 89,200.16 : x
2. Step 2: Convert to fraction form
   152,326.70/228,529.47 = 89,200.16/x
3. Step 3: Cross multiply
   152,326.70x = 228,529.47 × 89,200.16
4. Step 4: Simplify right side
   152,326.70x = 20,384,865,288.72
5. Step 5: Solve for x
   x = 20,384,865,288.72/152,326.70
6. Step 6: Final answer
   x = 133,823.32