Finding the Fourth Proportional to 1,653,945.27, 2,480,910.98 and 643,771.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,653,945.27 : 2,480,910.98 = 643,771.69 : x
2. Step 2: Convert to fraction form
   1,653,945.27/2,480,910.98 = 643,771.69/x
3. Step 3: Cross multiply
   1,653,945.27x = 2,480,910.98 × 643,771.69
4. Step 4: Simplify right side
   1,653,945.27x = 1,597,140,244,913.02
5. Step 5: Solve for x
   x = 1,597,140,244,913.02/1,653,945.27
6. Step 6: Final answer
   x = 965,654.84