Finding the Fourth Proportional to 2,182,081.50, 3,273,238.89 and 686,290.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,081.50 : 3,273,238.89 = 686,290.14 : x
2. Step 2: Convert to fraction form
   2,182,081.50/3,273,238.89 = 686,290.14/x
3. Step 3: Cross multiply
   2,182,081.50x = 3,273,238.89 × 686,290.14
4. Step 4: Simplify right side
   2,182,081.50x = 2,246,391,576,071.55
5. Step 5: Solve for x
   x = 2,246,391,576,071.55/2,182,081.50
6. Step 6: Final answer
   x = 1,029,471.89