Finding the Fourth Proportional to 10,488.67, 14,474.16 and 5,708.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,488.67 : 14,474.16 = 5,708.54 : x
2. Step 2: Convert to fraction form
   10,488.67/14,474.16 = 5,708.54/x
3. Step 3: Cross multiply
   10,488.67x = 14,474.16 × 5,708.54
4. Step 4: Simplify right side
   10,488.67x = 82,626,357.51
5. Step 5: Solve for x
   x = 82,626,357.51/10,488.67
6. Step 6: Final answer
   x = 7,877.67