Finding the Fourth Proportional to 72,874.72, 109,325.92 and 25,503.28

Step by Step Solution

1. Step 1: Write the proportion equation
   72,874.72 : 109,325.92 = 25,503.28 : x
2. Step 2: Convert to fraction form
   72,874.72/109,325.92 = 25,503.28/x
3. Step 3: Cross multiply
   72,874.72x = 109,325.92 × 25,503.28
4. Step 4: Simplify right side
   72,874.72x = 2,788,169,549.02
5. Step 5: Solve for x
   x = 2,788,169,549.02/72,874.72
6. Step 6: Final answer
   x = 38,259.76