Finding the Fourth Proportional to 10,643.31, 14,687.55 and 5,927.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,643.31 : 14,687.55 = 5,927.49 : x
2. Step 2: Convert to fraction form
   10,643.31/14,687.55 = 5,927.49/x
3. Step 3: Cross multiply
   10,643.31x = 14,687.55 × 5,927.49
4. Step 4: Simplify right side
   10,643.31x = 87,060,305.75
5. Step 5: Solve for x
   x = 87,060,305.75/10,643.31
6. Step 6: Final answer
   x = 8,179.81