Finding the Fourth Proportional to 7,474.39, 10,314.57 and 4,117.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,474.39 : 10,314.57 = 4,117.15 : x
2. Step 2: Convert to fraction form
   7,474.39/10,314.57 = 4,117.15/x
3. Step 3: Cross multiply
   7,474.39x = 10,314.57 × 4,117.15
4. Step 4: Simplify right side
   7,474.39x = 42,466,580.30
5. Step 5: Solve for x
   x = 42,466,580.30/7,474.39
6. Step 6: Final answer
   x = 5,681.62