Finding the Fourth Proportional to 1,665,685.47, 2,499,556.50 and 654,629.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,685.47 : 2,499,556.50 = 654,629.70 : x
2. Step 2: Convert to fraction form
   1,665,685.47/2,499,556.50 = 654,629.70/x
3. Step 3: Cross multiply
   1,665,685.47x = 2,499,556.50 × 654,629.70
4. Step 4: Simplify right side
   1,665,685.47x = 1,636,283,921,728.05
5. Step 5: Solve for x
   x = 1,636,283,921,728.05/1,665,685.47
6. Step 6: Final answer
   x = 982,348.68