Finding the Fourth Proportional to 12,698.19, 17,524.59 and 7,393.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,698.19 : 17,524.59 = 7,393.50 : x
2. Step 2: Convert to fraction form
   12,698.19/17,524.59 = 7,393.50/x
3. Step 3: Cross multiply
   12,698.19x = 17,524.59 × 7,393.50
4. Step 4: Simplify right side
   12,698.19x = 129,568,056.17
5. Step 5: Solve for x
   x = 129,568,056.17/12,698.19
6. Step 6: Final answer
   x = 10,203.66