Finding the Fourth Proportional to 12,968.48, 19,454.52 and 4,200.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,968.48 : 19,454.52 = 4,200.56 : x
2. Step 2: Convert to fraction form
   12,968.48/19,454.52 = 4,200.56/x
3. Step 3: Cross multiply
   12,968.48x = 19,454.52 × 4,200.56
4. Step 4: Simplify right side
   12,968.48x = 81,719,878.53
5. Step 5: Solve for x
   x = 81,719,878.53/12,968.48
6. Step 6: Final answer
   x = 6,301.42