Finding the Fourth Proportional to 99,469.82, 149,150.20 and 39,437.48

Step by Step Solution

1. Step 1: Write the proportion equation
   99,469.82 : 149,150.20 = 39,437.48 : x
2. Step 2: Convert to fraction form
   99,469.82/149,150.20 = 39,437.48/x
3. Step 3: Cross multiply
   99,469.82x = 149,150.20 × 39,437.48
4. Step 4: Simplify right side
   99,469.82x = 5,882,108,029.50
5. Step 5: Solve for x
   x = 5,882,108,029.50/99,469.82
6. Step 6: Final answer
   x = 59,134.60