Finding the Fourth Proportional to 3,736.32, 5,156.42 and 2,143.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.32 : 5,156.42 = 2,143.12 : x
2. Step 2: Convert to fraction form
   3,736.32/5,156.42 = 2,143.12/x
3. Step 3: Cross multiply
   3,736.32x = 5,156.42 × 2,143.12
4. Step 4: Simplify right side
   3,736.32x = 11,050,826.83
5. Step 5: Solve for x
   x = 11,050,826.83/3,736.32
6. Step 6: Final answer
   x = 2,957.68