Finding the Fourth Proportional to 12,981.88, 17,914.99 and 7,393.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,981.88 : 17,914.99 = 7,393.96 : x
2. Step 2: Convert to fraction form
   12,981.88/17,914.99 = 7,393.96/x
3. Step 3: Cross multiply
   12,981.88x = 17,914.99 × 7,393.96
4. Step 4: Simplify right side
   12,981.88x = 132,462,629.89
5. Step 5: Solve for x
   x = 132,462,629.89/12,981.88
6. Step 6: Final answer
   x = 10,203.66