Finding the Fourth Proportional to 12,527.25, 17,283.31 and 7,145.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,527.25 : 17,283.31 = 7,145.82 : x
2. Step 2: Convert to fraction form
   12,527.25/17,283.31 = 7,145.82/x
3. Step 3: Cross multiply
   12,527.25x = 17,283.31 × 7,145.82
4. Step 4: Simplify right side
   12,527.25x = 123,503,339.59
5. Step 5: Solve for x
   x = 123,503,339.59/12,527.25
6. Step 6: Final answer
   x = 9,858.78