Finding the Fourth Proportional to 10,488.98, 14,474.59 and 5,708.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,488.98 : 14,474.59 = 5,708.85 : x
2. Step 2: Convert to fraction form
   10,488.98/14,474.59 = 5,708.85/x
3. Step 3: Cross multiply
   10,488.98x = 14,474.59 × 5,708.85
4. Step 4: Simplify right side
   10,488.98x = 82,633,263.12
5. Step 5: Solve for x
   x = 82,633,263.12/10,488.98
6. Step 6: Final answer
   x = 7,878.10