Finding the Fourth Proportional to 8,980.33, 12,392.37 and 4,947.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,980.33 : 12,392.37 = 4,947.02 : x
2. Step 2: Convert to fraction form
   8,980.33/12,392.37 = 4,947.02/x
3. Step 3: Cross multiply
   8,980.33x = 12,392.37 × 4,947.02
4. Step 4: Simplify right side
   8,980.33x = 61,305,333.22
5. Step 5: Solve for x
   x = 61,305,333.22/8,980.33
6. Step 6: Final answer
   x = 6,826.63