Finding the Fourth Proportional to 2,786,799.06, 3,847,507.16 and 1,857,815.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786,799.06 : 3,847,507.16 = 1,857,815.29 : x
2. Step 2: Convert to fraction form
   2,786,799.06/3,847,507.16 = 1,857,815.29/x
3. Step 3: Cross multiply
   2,786,799.06x = 3,847,507.16 × 1,857,815.29
4. Step 4: Simplify right side
   2,786,799.06x = 7,147,957,625,752.78
5. Step 5: Solve for x
   x = 7,147,957,625,752.78/2,786,799.06
6. Step 6: Final answer
   x = 2,564,934.71