Finding the Fourth Proportional to 5,662.96, 8,541.60 and 4,978.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,662.96 : 8,541.60 = 4,978.16 : x
2. Step 2: Convert to fraction form
   5,662.96/8,541.60 = 4,978.16/x
3. Step 3: Cross multiply
   5,662.96x = 8,541.60 × 4,978.16
4. Step 4: Simplify right side
   5,662.96x = 42,521,450.11
5. Step 5: Solve for x
   x = 42,521,450.11/5,662.96
6. Step 6: Final answer
   x = 7,508.69