Finding the Fourth Proportional to 9,098.01, 12,558.51 and 5,561.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,098.01 : 12,558.51 = 5,561.55 : x
2. Step 2: Convert to fraction form
   9,098.01/12,558.51 = 5,561.55/x
3. Step 3: Cross multiply
   9,098.01x = 12,558.51 × 5,561.55
4. Step 4: Simplify right side
   9,098.01x = 69,844,781.29
5. Step 5: Solve for x
   x = 69,844,781.29/9,098.01
6. Step 6: Final answer
   x = 7,676.93