Finding the Fourth Proportional to 10,339.79, 14,268.85 and 5,624.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,339.79 : 14,268.85 = 5,624.07 : x
2. Step 2: Convert to fraction form
   10,339.79/14,268.85 = 5,624.07/x
3. Step 3: Cross multiply
   10,339.79x = 14,268.85 × 5,624.07
4. Step 4: Simplify right side
   10,339.79x = 80,249,011.22
5. Step 5: Solve for x
   x = 80,249,011.22/10,339.79
6. Step 6: Final answer
   x = 7,761.18