Finding the Fourth Proportional to 9,818.91, 13,552.02 and 5,570.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,818.91 : 13,552.02 = 5,570.04 : x
2. Step 2: Convert to fraction form
   9,818.91/13,552.02 = 5,570.04/x
3. Step 3: Cross multiply
   9,818.91x = 13,552.02 × 5,570.04
4. Step 4: Simplify right side
   9,818.91x = 75,485,293.48
5. Step 5: Solve for x
   x = 75,485,293.48/9,818.91
6. Step 6: Final answer
   x = 7,687.75