Finding the Fourth Proportional to 2,435,689.39, 3,654,345.47 and 816,618.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435,689.39 : 3,654,345.47 = 816,618.42 : x
2. Step 2: Convert to fraction form
   2,435,689.39/3,654,345.47 = 816,618.42/x
3. Step 3: Cross multiply
   2,435,689.39x = 3,654,345.47 × 816,618.42
4. Step 4: Simplify right side
   2,435,689.39x = 2,984,205,819,762.47
5. Step 5: Solve for x
   x = 2,984,205,819,762.47/2,435,689.39
6. Step 6: Final answer
   x = 1,225,199.67