Finding the Fourth Proportional to 2,253,857.57, 3,111,400.76 and 1,286,801.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253,857.57 : 3,111,400.76 = 1,286,801.10 : x
2. Step 2: Convert to fraction form
   2,253,857.57/3,111,400.76 = 1,286,801.10/x
3. Step 3: Cross multiply
   2,253,857.57x = 3,111,400.76 × 1,286,801.10
4. Step 4: Simplify right side
   2,253,857.57x = 4,003,753,914,074.83
5. Step 5: Solve for x
   x = 4,003,753,914,074.83/2,253,857.57
6. Step 6: Final answer
   x = 1,776,400.59