Finding the Fourth Proportional to 269,789.50, 372,309.51 and 150,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,789.50 : 372,309.51 = 150,557.50 : x
2. Step 2: Convert to fraction form
   269,789.50/372,309.51 = 150,557.50/x
3. Step 3: Cross multiply
   269,789.50x = 372,309.51 × 150,557.50
4. Step 4: Simplify right side
   269,789.50x = 56,053,989,051.83
5. Step 5: Solve for x
   x = 56,053,989,051.83/269,789.50
6. Step 6: Final answer
   x = 207,769.35