Finding the Fourth Proportional to 8,723.76, 12,042.72 and 5,741.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,723.76 : 12,042.72 = 5,741.16 : x
2. Step 2: Convert to fraction form
   8,723.76/12,042.72 = 5,741.16/x
3. Step 3: Cross multiply
   8,723.76x = 12,042.72 × 5,741.16
4. Step 4: Simplify right side
   8,723.76x = 69,139,182.36
5. Step 5: Solve for x
   x = 69,139,182.36/8,723.76
6. Step 6: Final answer
   x = 7,925.39