Finding the Fourth Proportional to 12,747.83, 19,114.31 and 4,947.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,747.83 : 19,114.31 = 4,947.53 : x
2. Step 2: Convert to fraction form
   12,747.83/19,114.31 = 4,947.53/x
3. Step 3: Cross multiply
   12,747.83x = 19,114.31 × 4,947.53
4. Step 4: Simplify right side
   12,747.83x = 94,568,538.95
5. Step 5: Solve for x
   x = 94,568,538.95/12,747.83
6. Step 6: Final answer
   x = 7,418.41