Finding the Fourth Proportional to 99,722.74, 149,540.25 and 37,349.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,722.74 : 149,540.25 = 37,349.50 : x
2. Step 2: Convert to fraction form
   99,722.74/149,540.25 = 37,349.50/x
3. Step 3: Cross multiply
   99,722.74x = 149,540.25 × 37,349.50
4. Step 4: Simplify right side
   99,722.74x = 5,585,253,567.38
5. Step 5: Solve for x
   x = 5,585,253,567.38/99,722.74
6. Step 6: Final answer
   x = 56,007.82