Finding the Fourth Proportional to 281,009.56, 387,792.34 and 151,947.15

Step by Step Solution

1. Step 1: Write the proportion equation
   281,009.56 : 387,792.34 = 151,947.15 : x
2. Step 2: Convert to fraction form
   281,009.56/387,792.34 = 151,947.15/x
3. Step 3: Cross multiply
   281,009.56x = 387,792.34 × 151,947.15
4. Step 4: Simplify right side
   281,009.56x = 58,923,940,854.83
5. Step 5: Solve for x
   x = 58,923,940,854.83/281,009.56
6. Step 6: Final answer
   x = 209,686.61