Finding the Fourth Proportional to 9,182.54, 12,671.61 and 4,990.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,182.54 : 12,671.61 = 4,990.76 : x
2. Step 2: Convert to fraction form
   9,182.54/12,671.61 = 4,990.76/x
3. Step 3: Cross multiply
   9,182.54x = 12,671.61 × 4,990.76
4. Step 4: Simplify right side
   9,182.54x = 63,240,964.32
5. Step 5: Solve for x
   x = 63,240,964.32/9,182.54
6. Step 6: Final answer
   x = 6,887.09