Finding the Fourth Proportional to 72,871.52, 109,310.88 and 33,410.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,871.52 : 109,310.88 = 33,410.72 : x
2. Step 2: Convert to fraction form
   72,871.52/109,310.88 = 33,410.72/x
3. Step 3: Cross multiply
   72,871.52x = 109,310.88 × 33,410.72
4. Step 4: Simplify right side
   72,871.52x = 3,652,155,204.63
5. Step 5: Solve for x
   x = 3,652,155,204.63/72,871.52
6. Step 6: Final answer
   x = 50,117.73