Finding the Fourth Proportional to 12,486.60, 17,234.82 and 7,182.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,486.60 : 17,234.82 = 7,182.04 : x
2. Step 2: Convert to fraction form
   12,486.60/17,234.82 = 7,182.04/x
3. Step 3: Cross multiply
   12,486.60x = 17,234.82 × 7,182.04
4. Step 4: Simplify right side
   12,486.60x = 123,781,166.63
5. Step 5: Solve for x
   x = 123,781,166.63/12,486.60
6. Step 6: Final answer
   x = 9,913.12