Finding the Fourth Proportional to 12,671.83, 17,486.17 and 7,081.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,671.83 : 17,486.17 = 7,081.75 : x
2. Step 2: Convert to fraction form
   12,671.83/17,486.17 = 7,081.75/x
3. Step 3: Cross multiply
   12,671.83x = 17,486.17 × 7,081.75
4. Step 4: Simplify right side
   12,671.83x = 123,832,684.40
5. Step 5: Solve for x
   x = 123,832,684.40/12,671.83
6. Step 6: Final answer
   x = 9,772.28