Finding the Fourth Proportional to 9,117.02, 12,575.12 and 5,581.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,117.02 : 12,575.12 = 5,581.98 : x
2. Step 2: Convert to fraction form
   9,117.02/12,575.12 = 5,581.98/x
3. Step 3: Cross multiply
   9,117.02x = 12,575.12 × 5,581.98
4. Step 4: Simplify right side
   9,117.02x = 70,194,040.43
5. Step 5: Solve for x
   x = 70,194,040.43/9,117.02
6. Step 6: Final answer
   x = 7,699.23