Finding the Fourth Proportional to 72,758.28, 109,148.34 and 26,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,758.28 : 109,148.34 = 26,007.50 : x
2. Step 2: Convert to fraction form
   72,758.28/109,148.34 = 26,007.50/x
3. Step 3: Cross multiply
   72,758.28x = 109,148.34 × 26,007.50
4. Step 4: Simplify right side
   72,758.28x = 2,838,675,452.55
5. Step 5: Solve for x
   x = 2,838,675,452.55/72,758.28
6. Step 6: Final answer
   x = 39,015.15