Finding the Fourth Proportional to 99,440.86, 149,156.43 and 37,106.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,440.86 : 149,156.43 = 37,106.50 : x
2. Step 2: Convert to fraction form
   99,440.86/149,156.43 = 37,106.50/x
3. Step 3: Cross multiply
   99,440.86x = 149,156.43 × 37,106.50
4. Step 4: Simplify right side
   99,440.86x = 5,534,673,069.80
5. Step 5: Solve for x
   x = 5,534,673,069.80/99,440.86
6. Step 6: Final answer
   x = 55,657.94