Finding the Fourth Proportional to 72,981.48, 109,406.33 and 26,223.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,981.48 : 109,406.33 = 26,223.42 : x
2. Step 2: Convert to fraction form
   72,981.48/109,406.33 = 26,223.42/x
3. Step 3: Cross multiply
   72,981.48x = 109,406.33 × 26,223.42
4. Step 4: Simplify right side
   72,981.48x = 2,869,007,464.10
5. Step 5: Solve for x
   x = 2,869,007,464.10/72,981.48
6. Step 6: Final answer
   x = 39,311.45