Finding the Fourth Proportional to 149,150.54, 223,718.52 and 55,649

Step by Step Solution

1. Step 1: Write the proportion equation
   149,150.54 : 223,718.52 = 55,649 : x
2. Step 2: Convert to fraction form
   149,150.54/223,718.52 = 55,649/x
3. Step 3: Cross multiply
   149,150.54x = 223,718.52 × 55,649
4. Step 4: Simplify right side
   149,150.54x = 12,449,711,919.48
5. Step 5: Solve for x
   x = 12,449,711,919.48/149,150.54
6. Step 6: Final answer
   x = 83,470.78