Finding the Fourth Proportional to 1,488,098.79, 2,053,565.06 and 809,040.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488,098.79 : 2,053,565.06 = 809,040.15 : x
2. Step 2: Convert to fraction form
   1,488,098.79/2,053,565.06 = 809,040.15/x
3. Step 3: Cross multiply
   1,488,098.79x = 2,053,565.06 × 809,040.15
4. Step 4: Simplify right side
   1,488,098.79x = 1,661,416,580,131.96
5. Step 5: Solve for x
   x = 1,661,416,580,131.96/1,488,098.79
6. Step 6: Final answer
   x = 1,116,469.28