Finding the Fourth Proportional to 72,174.84, 108,259.83 and 25,426.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,174.84 : 108,259.83 = 25,426.50 : x
2. Step 2: Convert to fraction form
   72,174.84/108,259.83 = 25,426.50/x
3. Step 3: Cross multiply
   72,174.84x = 108,259.83 × 25,426.50
4. Step 4: Simplify right side
   72,174.84x = 2,752,668,567.50
5. Step 5: Solve for x
   x = 2,752,668,567.50/72,174.84
6. Step 6: Final answer
   x = 38,138.89