Finding the Fourth Proportional to 12,002.40, 17,993.88 and 8,493.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,002.40 : 17,993.88 = 8,493.48 : x
2. Step 2: Convert to fraction form
   12,002.40/17,993.88 = 8,493.48/x
3. Step 3: Cross multiply
   12,002.40x = 17,993.88 × 8,493.48
4. Step 4: Simplify right side
   12,002.40x = 152,830,659.90
5. Step 5: Solve for x
   x = 152,830,659.90/12,002.40
6. Step 6: Final answer
   x = 12,733.34