Finding the Fourth Proportional to 12,868.53, 17,761.37 and 7,566.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,868.53 : 17,761.37 = 7,566.41 : x
2. Step 2: Convert to fraction form
   12,868.53/17,761.37 = 7,566.41/x
3. Step 3: Cross multiply
   12,868.53x = 17,761.37 × 7,566.41
4. Step 4: Simplify right side
   12,868.53x = 134,389,807.58
5. Step 5: Solve for x
   x = 134,389,807.58/12,868.53
6. Step 6: Final answer
   x = 10,443.29