Finding the Fourth Proportional to 156,550.50, 216,039.69 and 89,483.94

Step by Step Solution

1. Step 1: Write the proportion equation
   156,550.50 : 216,039.69 = 89,483.94 : x
2. Step 2: Convert to fraction form
   156,550.50/216,039.69 = 89,483.94/x
3. Step 3: Cross multiply
   156,550.50x = 216,039.69 × 89,483.94
4. Step 4: Simplify right side
   156,550.50x = 19,332,082,657.58
5. Step 5: Solve for x
   x = 19,332,082,657.58/156,550.50
6. Step 6: Final answer
   x = 123,487.84