Finding the Fourth Proportional to 10,436.91, 14,402.91 and 5,721.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.91 : 14,402.91 = 5,721.22 : x
2. Step 2: Convert to fraction form
   10,436.91/14,402.91 = 5,721.22/x
3. Step 3: Cross multiply
   10,436.91x = 14,402.91 × 5,721.22
4. Step 4: Simplify right side
   10,436.91x = 82,402,216.75
5. Step 5: Solve for x
   x = 82,402,216.75/10,436.91
6. Step 6: Final answer
   x = 7,895.27