Finding the Fourth Proportional to 99,399.59, 149,048.31 and 29,269.79

Step by Step Solution

1. Step 1: Write the proportion equation
   99,399.59 : 149,048.31 = 29,269.79 : x
2. Step 2: Convert to fraction form
   99,399.59/149,048.31 = 29,269.79/x
3. Step 3: Cross multiply
   99,399.59x = 149,048.31 × 29,269.79
4. Step 4: Simplify right side
   99,399.59x = 4,362,612,733.55
5. Step 5: Solve for x
   x = 4,362,612,733.55/99,399.59
6. Step 6: Final answer
   x = 43,889.65