Finding the Fourth Proportional to 72,787.47, 109,179.98 and 32,784.20

Step by Step Solution

1. Step 1: Write the proportion equation
   72,787.47 : 109,179.98 = 32,784.20 : x
2. Step 2: Convert to fraction form
   72,787.47/109,179.98 = 32,784.20/x
3. Step 3: Cross multiply
   72,787.47x = 109,179.98 × 32,784.20
4. Step 4: Simplify right side
   72,787.47x = 3,579,378,300.32
5. Step 5: Solve for x
   x = 3,579,378,300.32/72,787.47
6. Step 6: Final answer
   x = 49,175.75