Finding the Fourth Proportional to 7,452.42, 10,285.83 and 5,680.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,452.42 : 10,285.83 = 5,680.86 : x
2. Step 2: Convert to fraction form
   7,452.42/10,285.83 = 5,680.86/x
3. Step 3: Cross multiply
   7,452.42x = 10,285.83 × 5,680.86
4. Step 4: Simplify right side
   7,452.42x = 58,432,360.21
5. Step 5: Solve for x
   x = 58,432,360.21/7,452.42
6. Step 6: Final answer
   x = 7,840.72