Finding the Fourth Proportional to 8,654.52, 12,980.54 and 4,944.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,654.52 : 12,980.54 = 4,944.72 : x
2. Step 2: Convert to fraction form
   8,654.52/12,980.54 = 4,944.72/x
3. Step 3: Cross multiply
   8,654.52x = 12,980.54 × 4,944.72
4. Step 4: Simplify right side
   8,654.52x = 64,185,135.75
5. Step 5: Solve for x
   x = 64,185,135.75/8,654.52
6. Step 6: Final answer
   x = 7,416.37