Finding the Fourth Proportional to 269,414.24, 371,783.69 and 148,555.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,414.24 : 371,783.69 = 148,555.50 : x
2. Step 2: Convert to fraction form
   269,414.24/371,783.69 = 148,555.50/x
3. Step 3: Cross multiply
   269,414.24x = 371,783.69 × 148,555.50
4. Step 4: Simplify right side
   269,414.24x = 55,230,510,379.91
5. Step 5: Solve for x
   x = 55,230,510,379.91/269,414.24
6. Step 6: Final answer
   x = 205,002.20