Finding the Fourth Proportional to 12,870.44, 17,761.17 and 7,568.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,870.44 : 17,761.17 = 7,568.30 : x
2. Step 2: Convert to fraction form
   12,870.44/17,761.17 = 7,568.30/x
3. Step 3: Cross multiply
   12,870.44x = 17,761.17 × 7,568.30
4. Step 4: Simplify right side
   12,870.44x = 134,421,862.91
5. Step 5: Solve for x
   x = 134,421,862.91/12,870.44
6. Step 6: Final answer
   x = 10,444.23