Finding the Fourth Proportional to 12,452.54, 18,686.16 and 5,056.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,452.54 : 18,686.16 = 5,056.43 : x
2. Step 2: Convert to fraction form
   12,452.54/18,686.16 = 5,056.43/x
3. Step 3: Cross multiply
   12,452.54x = 18,686.16 × 5,056.43
4. Step 4: Simplify right side
   12,452.54x = 94,485,166.58
5. Step 5: Solve for x
   x = 94,485,166.58/12,452.54
6. Step 6: Final answer
   x = 7,587.63