Finding the Fourth Proportional to 5,892.61, 8,126.22 and 3,872.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,892.61 : 8,126.22 = 3,872.47 : x
2. Step 2: Convert to fraction form
   5,892.61/8,126.22 = 3,872.47/x
3. Step 3: Cross multiply
   5,892.61x = 8,126.22 × 3,872.47
4. Step 4: Simplify right side
   5,892.61x = 31,468,543.16
5. Step 5: Solve for x
   x = 31,468,543.16/5,892.61
6. Step 6: Final answer
   x = 5,340.34