Finding the Fourth Proportional to 7,710.91, 10,641.06 and 4,174.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,710.91 : 10,641.06 = 4,174.12 : x
2. Step 2: Convert to fraction form
   7,710.91/10,641.06 = 4,174.12/x
3. Step 3: Cross multiply
   7,710.91x = 10,641.06 × 4,174.12
4. Step 4: Simplify right side
   7,710.91x = 44,417,061.37
5. Step 5: Solve for x
   x = 44,417,061.37/7,710.91
6. Step 6: Final answer
   x = 5,760.29