Finding the Fourth Proportional to 12,944.31, 17,863.77 and 7,280.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,944.31 : 17,863.77 = 7,280.84 : x
2. Step 2: Convert to fraction form
   12,944.31/17,863.77 = 7,280.84/x
3. Step 3: Cross multiply
   12,944.31x = 17,863.77 × 7,280.84
4. Step 4: Simplify right side
   12,944.31x = 130,063,251.17
5. Step 5: Solve for x
   x = 130,063,251.17/12,944.31
6. Step 6: Final answer
   x = 10,047.91