Finding the Fourth Proportional to 1,082,614.10, 1,620,685.68 and 654,855.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082,614.10 : 1,620,685.68 = 654,855.39 : x
2. Step 2: Convert to fraction form
   1,082,614.10/1,620,685.68 = 654,855.39/x
3. Step 3: Cross multiply
   1,082,614.10x = 1,620,685.68 × 654,855.39
4. Step 4: Simplify right side
   1,082,614.10x = 1,061,314,753,043.82
5. Step 5: Solve for x
   x = 1,061,314,753,043.82/1,082,614.10
6. Step 6: Final answer
   x = 980,326.01