Finding the Fourth Proportional to 99,069.16, 148,601.91 and 39,903.37

Step by Step Solution

1. Step 1: Write the proportion equation
   99,069.16 : 148,601.91 = 39,903.37 : x
2. Step 2: Convert to fraction form
   99,069.16/148,601.91 = 39,903.37/x
3. Step 3: Cross multiply
   99,069.16x = 148,601.91 × 39,903.37
4. Step 4: Simplify right side
   99,069.16x = 5,929,716,625.93
5. Step 5: Solve for x
   x = 5,929,716,625.93/99,069.16
6. Step 6: Final answer
   x = 59,854.32