Finding the Fourth Proportional to 5,683.32, 8,479.28 and 5,059.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,683.32 : 8,479.28 = 5,059.60 : x
2. Step 2: Convert to fraction form
   5,683.32/8,479.28 = 5,059.60/x
3. Step 3: Cross multiply
   5,683.32x = 8,479.28 × 5,059.60
4. Step 4: Simplify right side
   5,683.32x = 42,901,765.09
5. Step 5: Solve for x
   x = 42,901,765.09/5,683.32
6. Step 6: Final answer
   x = 7,548.72