Finding the Fourth Proportional to 10,424.69, 14,385.93 and 5,708.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,424.69 : 14,385.93 = 5,708.98 : x
2. Step 2: Convert to fraction form
   10,424.69/14,385.93 = 5,708.98/x
3. Step 3: Cross multiply
   10,424.69x = 14,385.93 × 5,708.98
4. Step 4: Simplify right side
   10,424.69x = 82,128,986.65
5. Step 5: Solve for x
   x = 82,128,986.65/10,424.69
6. Step 6: Final answer
   x = 7,878.31