Finding the Fourth Proportional to 72,849.38, 109,278.45 and 22,931.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,849.38 : 109,278.45 = 22,931.10 : x
2. Step 2: Convert to fraction form
   72,849.38/109,278.45 = 22,931.10/x
3. Step 3: Cross multiply
   72,849.38x = 109,278.45 × 22,931.10
4. Step 4: Simplify right side
   72,849.38x = 2,505,875,064.80
5. Step 5: Solve for x
   x = 2,505,875,064.80/72,849.38
6. Step 6: Final answer
   x = 34,398.03