Finding the Fourth Proportional to 10,342.72, 14,270.56 and 5,865.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,342.72 : 14,270.56 = 5,865.45 : x
2. Step 2: Convert to fraction form
   10,342.72/14,270.56 = 5,865.45/x
3. Step 3: Cross multiply
   10,342.72x = 14,270.56 × 5,865.45
4. Step 4: Simplify right side
   10,342.72x = 83,703,256.15
5. Step 5: Solve for x
   x = 83,703,256.15/10,342.72
6. Step 6: Final answer
   x = 8,092.96