Finding the Fourth Proportional to 99,439.86, 149,154.93 and 37,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,439.86 : 149,154.93 = 37,105.50 : x
2. Step 2: Convert to fraction form
   99,439.86/149,154.93 = 37,105.50/x
3. Step 3: Cross multiply
   99,439.86x = 149,154.93 × 37,105.50
4. Step 4: Simplify right side
   99,439.86x = 5,534,468,255.12
5. Step 5: Solve for x
   x = 5,534,468,255.12/99,439.86
6. Step 6: Final answer
   x = 55,656.44