Finding the Fourth Proportional to 5,920.74, 8,174.01 and 3,934.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,920.74 : 8,174.01 = 3,934.02 : x
2. Step 2: Convert to fraction form
   5,920.74/8,174.01 = 3,934.02/x
3. Step 3: Cross multiply
   5,920.74x = 8,174.01 × 3,934.02
4. Step 4: Simplify right side
   5,920.74x = 32,156,718.82
5. Step 5: Solve for x
   x = 32,156,718.82/5,920.74
6. Step 6: Final answer
   x = 5,431.20