Finding the Fourth Proportional to 99,081.27, 148,649.46 and 39,903.09

Step by Step Solution

1. Step 1: Write the proportion equation
   99,081.27 : 148,649.46 = 39,903.09 : x
2. Step 2: Convert to fraction form
   99,081.27/148,649.46 = 39,903.09/x
3. Step 3: Cross multiply
   99,081.27x = 148,649.46 × 39,903.09
4. Step 4: Simplify right side
   99,081.27x = 5,931,572,780.83
5. Step 5: Solve for x
   x = 5,931,572,780.83/99,081.27
6. Step 6: Final answer
   x = 59,865.73