Finding the Fourth Proportional to 72,769.90, 109,168.72 and 25,398.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,769.90 : 109,168.72 = 25,398.52 : x
2. Step 2: Convert to fraction form
   72,769.90/109,168.72 = 25,398.52/x
3. Step 3: Cross multiply
   72,769.90x = 109,168.72 × 25,398.52
4. Step 4: Simplify right side
   72,769.90x = 2,772,723,918.29
5. Step 5: Solve for x
   x = 2,772,723,918.29/72,769.90
6. Step 6: Final answer
   x = 38,102.62