Finding the Fourth Proportional to 10,259.52, 15,387.05 and 2,762.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,259.52 : 15,387.05 = 2,762.89 : x
2. Step 2: Convert to fraction form
   10,259.52/15,387.05 = 2,762.89/x
3. Step 3: Cross multiply
   10,259.52x = 15,387.05 × 2,762.89
4. Step 4: Simplify right side
   10,259.52x = 42,512,766.02
5. Step 5: Solve for x
   x = 42,512,766.02/10,259.52
6. Step 6: Final answer
   x = 4,143.74