Finding the Fourth Proportional to 9,182.25, 12,671.82 and 4,990.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,182.25 : 12,671.82 = 4,990.77 : x
2. Step 2: Convert to fraction form
   9,182.25/12,671.82 = 4,990.77/x
3. Step 3: Cross multiply
   9,182.25x = 12,671.82 × 4,990.77
4. Step 4: Simplify right side
   9,182.25x = 63,242,139.10
5. Step 5: Solve for x
   x = 63,242,139.10/9,182.25
6. Step 6: Final answer
   x = 6,887.43