Finding the Fourth Proportional to 12,025.60, 18,032.96 and 5,451.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,025.60 : 18,032.96 = 5,451.52 : x
2. Step 2: Convert to fraction form
   12,025.60/18,032.96 = 5,451.52/x
3. Step 3: Cross multiply
   12,025.60x = 18,032.96 × 5,451.52
4. Step 4: Simplify right side
   12,025.60x = 98,307,042.10
5. Step 5: Solve for x
   x = 98,307,042.10/12,025.60
6. Step 6: Final answer
   x = 8,174.81