Finding the Fourth Proportional to 10,339.81, 14,268.98 and 5,624.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,339.81 : 14,268.98 = 5,624.12 : x
2. Step 2: Convert to fraction form
   10,339.81/14,268.98 = 5,624.12/x
3. Step 3: Cross multiply
   10,339.81x = 14,268.98 × 5,624.12
4. Step 4: Simplify right side
   10,339.81x = 80,250,455.80
5. Step 5: Solve for x
   x = 80,250,455.80/10,339.81
6. Step 6: Final answer
   x = 7,761.31