Finding the Fourth Proportional to 10,265.31, 14,166.12 and 5,549.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,265.31 : 14,166.12 = 5,549.59 : x
2. Step 2: Convert to fraction form
   10,265.31/14,166.12 = 5,549.59/x
3. Step 3: Cross multiply
   10,265.31x = 14,166.12 × 5,549.59
4. Step 4: Simplify right side
   10,265.31x = 78,616,157.89
5. Step 5: Solve for x
   x = 78,616,157.89/10,265.31
6. Step 6: Final answer
   x = 7,658.43