Finding the Fourth Proportional to 10,155.58, 15,234.45 and 2,760.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.58 : 15,234.45 = 2,760.15 : x
2. Step 2: Convert to fraction form
   10,155.58/15,234.45 = 2,760.15/x
3. Step 3: Cross multiply
   10,155.58x = 15,234.45 × 2,760.15
4. Step 4: Simplify right side
   10,155.58x = 42,049,367.17
5. Step 5: Solve for x
   x = 42,049,367.17/10,155.58
6. Step 6: Final answer
   x = 4,140.52