Finding the Fourth Proportional to 12,679.37, 17,498.62 and 7,373.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,679.37 : 17,498.62 = 7,373.81 : x
2. Step 2: Convert to fraction form
   12,679.37/17,498.62 = 7,373.81/x
3. Step 3: Cross multiply
   12,679.37x = 17,498.62 × 7,373.81
4. Step 4: Simplify right side
   12,679.37x = 129,031,552.11
5. Step 5: Solve for x
   x = 129,031,552.11/12,679.37
6. Step 6: Final answer
   x = 10,176.50