Finding the Fourth Proportional to 72,812.88, 109,230.84 and 26,064.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,812.88 : 109,230.84 = 26,064.72 : x
2. Step 2: Convert to fraction form
   72,812.88/109,230.84 = 26,064.72/x
3. Step 3: Cross multiply
   72,812.88x = 109,230.84 × 26,064.72
4. Step 4: Simplify right side
   72,812.88x = 2,847,071,259.96
5. Step 5: Solve for x
   x = 2,847,071,259.96/72,812.88
6. Step 6: Final answer
   x = 39,101.20