Finding the Fourth Proportional to 12,899.25, 17,801.24 and 7,310.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,899.25 : 17,801.24 = 7,310.25 : x
2. Step 2: Convert to fraction form
   12,899.25/17,801.24 = 7,310.25/x
3. Step 3: Cross multiply
   12,899.25x = 17,801.24 × 7,310.25
4. Step 4: Simplify right side
   12,899.25x = 130,131,478.16
5. Step 5: Solve for x
   x = 130,131,478.16/12,899.25
6. Step 6: Final answer
   x = 10,088.30