Finding the Fourth Proportional to 10,156.86, 15,235.22 and 2,761.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.86 : 15,235.22 = 2,761.29 : x
2. Step 2: Convert to fraction form
   10,156.86/15,235.22 = 2,761.29/x
3. Step 3: Cross multiply
   10,156.86x = 15,235.22 × 2,761.29
4. Step 4: Simplify right side
   10,156.86x = 42,068,867.54
5. Step 5: Solve for x
   x = 42,068,867.54/10,156.86
6. Step 6: Final answer
   x = 4,141.92