Finding the Fourth Proportional to 12,518.81, 17,274.78 and 7,482.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,518.81 : 17,274.78 = 7,482.03 : x
2. Step 2: Convert to fraction form
   12,518.81/17,274.78 = 7,482.03/x
3. Step 3: Cross multiply
   12,518.81x = 17,274.78 × 7,482.03
4. Step 4: Simplify right side
   12,518.81x = 129,250,422.20
5. Step 5: Solve for x
   x = 129,250,422.20/12,518.81
6. Step 6: Final answer
   x = 10,324.50