Finding the Fourth Proportional to 9,488.52, 13,091.70 and 5,710.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,488.52 : 13,091.70 = 5,710.48 : x
2. Step 2: Convert to fraction form
   9,488.52/13,091.70 = 5,710.48/x
3. Step 3: Cross multiply
   9,488.52x = 13,091.70 × 5,710.48
4. Step 4: Simplify right side
   9,488.52x = 74,759,891.02
5. Step 5: Solve for x
   x = 74,759,891.02/9,488.52
6. Step 6: Final answer
   x = 7,878.98