Finding the Fourth Proportional to 10,865.31, 16,300.02 and 3,747.66

Step by Step Solution

1. Step 1: Write the proportion equation
   10,865.31 : 16,300.02 = 3,747.66 : x
2. Step 2: Convert to fraction form
   10,865.31/16,300.02 = 3,747.66/x
3. Step 3: Cross multiply
   10,865.31x = 16,300.02 × 3,747.66
4. Step 4: Simplify right side
   10,865.31x = 61,086,932.95
5. Step 5: Solve for x
   x = 61,086,932.95/10,865.31
6. Step 6: Final answer
   x = 5,622.20