Finding the Fourth Proportional to 99,391.86, 149,082.93 and 37,057.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,391.86 : 149,082.93 = 37,057.50 : x
2. Step 2: Convert to fraction form
   99,391.86/149,082.93 = 37,057.50/x
3. Step 3: Cross multiply
   99,391.86x = 149,082.93 × 37,057.50
4. Step 4: Simplify right side
   99,391.86x = 5,524,640,678.48
5. Step 5: Solve for x
   x = 5,524,640,678.48/99,391.86
6. Step 6: Final answer
   x = 55,584.44