Finding the Fourth Proportional to 10,265.49, 14,168.43 and 5,789.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,265.49 : 14,168.43 = 5,789.36 : x
2. Step 2: Convert to fraction form
   10,265.49/14,168.43 = 5,789.36/x
3. Step 3: Cross multiply
   10,265.49x = 14,168.43 × 5,789.36
4. Step 4: Simplify right side
   10,265.49x = 82,026,071.06
5. Step 5: Solve for x
   x = 82,026,071.06/10,265.49
6. Step 6: Final answer
   x = 7,990.47