Finding the Fourth Proportional to 89,123.77, 133,715.43 and 29,154.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89,123.77 : 133,715.43 = 29,154.98 : x
2. Step 2: Convert to fraction form
   89,123.77/133,715.43 = 29,154.98/x
3. Step 3: Cross multiply
   89,123.77x = 133,715.43 × 29,154.98
4. Step 4: Simplify right side
   89,123.77x = 3,898,470,687.34
5. Step 5: Solve for x
   x = 3,898,470,687.34/89,123.77
6. Step 6: Final answer
   x = 43,742.21