Finding the Fourth Proportional to 10,640.72, 15,955.32 and 3,710

Step by Step Solution

1. Step 1: Write the proportion equation
   10,640.72 : 15,955.32 = 3,710 : x
2. Step 2: Convert to fraction form
   10,640.72/15,955.32 = 3,710/x
3. Step 3: Cross multiply
   10,640.72x = 15,955.32 × 3,710
4. Step 4: Simplify right side
   10,640.72x = 59,194,237.20
5. Step 5: Solve for x
   x = 59,194,237.20/10,640.72
6. Step 6: Final answer
   x = 5,562.99