Finding the Fourth Proportional to 6,721.59, 9,275.61 and 3,737.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,721.59 : 9,275.61 = 3,737.37 : x
2. Step 2: Convert to fraction form
   6,721.59/9,275.61 = 3,737.37/x
3. Step 3: Cross multiply
   6,721.59x = 9,275.61 × 3,737.37
4. Step 4: Simplify right side
   6,721.59x = 34,666,386.55
5. Step 5: Solve for x
   x = 34,666,386.55/6,721.59
6. Step 6: Final answer
   x = 5,157.47