Finding the Fourth Proportional to 2,815,605.47, 3,888,743.15 and 1,908,612.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,815,605.47 : 3,888,743.15 = 1,908,612.83 : x
2. Step 2: Convert to fraction form
   2,815,605.47/3,888,743.15 = 1,908,612.83/x
3. Step 3: Cross multiply
   2,815,605.47x = 3,888,743.15 × 1,908,612.83
4. Step 4: Simplify right side
   2,815,605.47x = 7,422,105,068,843.41
5. Step 5: Solve for x
   x = 7,422,105,068,843.41/2,815,605.47
6. Step 6: Final answer
   x = 2,636,060.04