Finding the Fourth Proportional to 1,908,699.31, 2,862,974.17 and 646,526.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908,699.31 : 2,862,974.17 = 646,526.89 : x
2. Step 2: Convert to fraction form
   1,908,699.31/2,862,974.17 = 646,526.89/x
3. Step 3: Cross multiply
   1,908,699.31x = 2,862,974.17 × 646,526.89
4. Step 4: Simplify right side
   1,908,699.31x = 1,850,989,786,280.43
5. Step 5: Solve for x
   x = 1,850,989,786,280.43/1,908,699.31
6. Step 6: Final answer
   x = 969,765.00