Finding the Fourth Proportional to 10,156.80, 15,233.45 and 2,760.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.80 : 15,233.45 = 2,760.29 : x
2. Step 2: Convert to fraction form
   10,156.80/15,233.45 = 2,760.29/x
3. Step 3: Cross multiply
   10,156.80x = 15,233.45 × 2,760.29
4. Step 4: Simplify right side
   10,156.80x = 42,048,649.73
5. Step 5: Solve for x
   x = 42,048,649.73/10,156.80
6. Step 6: Final answer
   x = 4,139.95