Finding the Fourth Proportional to 10,156.12, 15,234.50 and 2,760.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.12 : 15,234.50 = 2,760.74 : x
2. Step 2: Convert to fraction form
   10,156.12/15,234.50 = 2,760.74/x
3. Step 3: Cross multiply
   10,156.12x = 15,234.50 × 2,760.74
4. Step 4: Simplify right side
   10,156.12x = 42,058,410.46
5. Step 5: Solve for x
   x = 42,058,410.46/10,156.12
6. Step 6: Final answer
   x = 4,141.19