Finding the Fourth Proportional to 9,182.07, 12,671.27 and 4,990.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,182.07 : 12,671.27 = 4,990.32 : x
2. Step 2: Convert to fraction form
   9,182.07/12,671.27 = 4,990.32/x
3. Step 3: Cross multiply
   9,182.07x = 12,671.27 × 4,990.32
4. Step 4: Simplify right side
   9,182.07x = 63,233,667.15
5. Step 5: Solve for x
   x = 63,233,667.15/9,182.07
6. Step 6: Final answer
   x = 6,886.65