Finding the Fourth Proportional to 12,393.41, 17,100.50 and 7,087.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,393.41 : 17,100.50 = 7,087.10 : x
2. Step 2: Convert to fraction form
   12,393.41/17,100.50 = 7,087.10/x
3. Step 3: Cross multiply
   12,393.41x = 17,100.50 × 7,087.10
4. Step 4: Simplify right side
   12,393.41x = 121,192,832.61
5. Step 5: Solve for x
   x = 121,192,832.61/12,393.41
6. Step 6: Final answer
   x = 9,778.82