Finding the Fourth Proportional to 2,499,743.79, 3,749,810.09 and 817,017.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,743.79 : 3,749,810.09 = 817,017.39 : x
2. Step 2: Convert to fraction form
   2,499,743.79/3,749,810.09 = 817,017.39/x
3. Step 3: Cross multiply
   2,499,743.79x = 3,749,810.09 × 817,017.39
4. Step 4: Simplify right side
   2,499,743.79x = 3,063,660,048,642.38
5. Step 5: Solve for x
   x = 3,063,660,048,642.38/2,499,743.79
6. Step 6: Final answer
   x = 1,225,589.62