Finding the Fourth Proportional to 9,188.06, 12,686.66 and 7,060.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,188.06 : 12,686.66 = 7,060.24 : x
2. Step 2: Convert to fraction form
   9,188.06/12,686.66 = 7,060.24/x
3. Step 3: Cross multiply
   9,188.06x = 12,686.66 × 7,060.24
4. Step 4: Simplify right side
   9,188.06x = 89,570,839.78
5. Step 5: Solve for x
   x = 89,570,839.78/9,188.06
6. Step 6: Final answer
   x = 9,748.61