Finding the Fourth Proportional to 45,348, 68,025.92 and 12,516

Step by Step Solution

1. Step 1: Write the proportion equation
   45,348 : 68,025.92 = 12,516 : x
2. Step 2: Convert to fraction form
   45,348/68,025.92 = 12,516/x
3. Step 3: Cross multiply
   45,348x = 68,025.92 × 12,516
4. Step 4: Simplify right side
   45,348x = 851,412,414.72
5. Step 5: Solve for x
   x = 851,412,414.72/45,348
6. Step 6: Final answer
   x = 18,775.08