Finding the Fourth Proportional to 10,065.29, 13,890.24 and 5,589.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065.29 : 13,890.24 = 5,589.32 : x
2. Step 2: Convert to fraction form
   10,065.29/13,890.24 = 5,589.32/x
3. Step 3: Cross multiply
   10,065.29x = 13,890.24 × 5,589.32
4. Step 4: Simplify right side
   10,065.29x = 77,636,926.79
5. Step 5: Solve for x
   x = 77,636,926.79/10,065.29
6. Step 6: Final answer
   x = 7,713.34