Finding the Fourth Proportional to 2,786,810.12, 3,847,522.43 and 1,857,826.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786,810.12 : 3,847,522.43 = 1,857,826.28 : x
2. Step 2: Convert to fraction form
   2,786,810.12/3,847,522.43 = 1,857,826.28/x
3. Step 3: Cross multiply
   2,786,810.12x = 3,847,522.43 × 1,857,826.28
4. Step 4: Simplify right side
   2,786,810.12x = 7,148,028,254,816.72
5. Step 5: Solve for x
   x = 7,148,028,254,816.72/2,786,810.12
6. Step 6: Final answer
   x = 2,564,949.87