Finding the Fourth Proportional to 5,682.80, 8,478.55 and 5,059.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,682.80 : 8,478.55 = 5,059.10 : x
2. Step 2: Convert to fraction form
   5,682.80/8,478.55 = 5,059.10/x
3. Step 3: Cross multiply
   5,682.80x = 8,478.55 × 5,059.10
4. Step 4: Simplify right side
   5,682.80x = 42,893,832.31
5. Step 5: Solve for x
   x = 42,893,832.31/5,682.80
6. Step 6: Final answer
   x = 7,548.01