Finding the Fourth Proportional to 2,815,605.94, 3,888,743.80 and 1,908,613.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,815,605.94 : 3,888,743.80 = 1,908,613.30 : x
2. Step 2: Convert to fraction form
   2,815,605.94/3,888,743.80 = 1,908,613.30/x
3. Step 3: Cross multiply
   2,815,605.94x = 3,888,743.80 × 1,908,613.30
4. Step 4: Simplify right side
   2,815,605.94x = 7,422,108,122,479.15
5. Step 5: Solve for x
   x = 7,422,108,122,479.15/2,815,605.94
6. Step 6: Final answer
   x = 2,636,060.69