Finding the Fourth Proportional to 10,326.88, 14,251.31 and 5,611.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,326.88 : 14,251.31 = 5,611.47 : x
2. Step 2: Convert to fraction form
   10,326.88/14,251.31 = 5,611.47/x
3. Step 3: Cross multiply
   10,326.88x = 14,251.31 × 5,611.47
4. Step 4: Simplify right side
   10,326.88x = 79,970,798.53
5. Step 5: Solve for x
   x = 79,970,798.53/10,326.88
6. Step 6: Final answer
   x = 7,743.95