Finding the Fourth Proportional to 12,523.65, 17,284.91 and 7,146.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,523.65 : 17,284.91 = 7,146.87 : x
2. Step 2: Convert to fraction form
   12,523.65/17,284.91 = 7,146.87/x
3. Step 3: Cross multiply
   12,523.65x = 17,284.91 × 7,146.87
4. Step 4: Simplify right side
   12,523.65x = 123,533,004.73
5. Step 5: Solve for x
   x = 123,533,004.73/12,523.65
6. Step 6: Final answer
   x = 9,863.98