Finding the Fourth Proportional to 1,760,662.48, 2,641,168.74 and 638,818.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760,662.48 : 2,641,168.74 = 638,818.96 : x
2. Step 2: Convert to fraction form
   1,760,662.48/2,641,168.74 = 638,818.96/x
3. Step 3: Cross multiply
   1,760,662.48x = 2,641,168.74 × 638,818.96
4. Step 4: Simplify right side
   1,760,662.48x = 1,687,228,667,671.31
5. Step 5: Solve for x
   x = 1,687,228,667,671.31/1,760,662.48
6. Step 6: Final answer
   x = 958,291.94