Finding the Fourth Proportional to 2,815,606.47, 3,888,744.53 and 1,908,613.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,815,606.47 : 3,888,744.53 = 1,908,613.83 : x
2. Step 2: Convert to fraction form
   2,815,606.47/3,888,744.53 = 1,908,613.83/x
3. Step 3: Cross multiply
   2,815,606.47x = 3,888,744.53 × 1,908,613.83
4. Step 4: Simplify right side
   2,815,606.47x = 7,422,111,591,294.85
5. Step 5: Solve for x
   x = 7,422,111,591,294.85/2,815,606.47
6. Step 6: Final answer
   x = 2,636,061.42