Finding the Fourth Proportional to 5,642.73, 8,466.53 and 3,800.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,642.73 : 8,466.53 = 3,800.79 : x
2. Step 2: Convert to fraction form
   5,642.73/8,466.53 = 3,800.79/x
3. Step 3: Cross multiply
   5,642.73x = 8,466.53 × 3,800.79
4. Step 4: Simplify right side
   5,642.73x = 32,179,483.55
5. Step 5: Solve for x
   x = 32,179,483.55/5,642.73
6. Step 6: Final answer
   x = 5,702.82