Finding the Fourth Proportional to 7,317.42, 10,976.04 and 3,160.35

Step by Step Solution

1. Step 1: Write the proportion equation
   7,317.42 : 10,976.04 = 3,160.35 : x
2. Step 2: Convert to fraction form
   7,317.42/10,976.04 = 3,160.35/x
3. Step 3: Cross multiply
   7,317.42x = 10,976.04 × 3,160.35
4. Step 4: Simplify right side
   7,317.42x = 34,688,128.01
5. Step 5: Solve for x
   x = 34,688,128.01/7,317.42
6. Step 6: Final answer
   x = 4,740.49