Finding the Fourth Proportional to 2,061,568, 2,845,274.88 and 1,257,218.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061,568 : 2,845,274.88 = 1,257,218.56 : x
2. Step 2: Convert to fraction form
   2,061,568/2,845,274.88 = 1,257,218.56/x
3. Step 3: Cross multiply
   2,061,568x = 2,845,274.88 × 1,257,218.56
4. Step 4: Simplify right side
   2,061,568x = 3,577,132,387,437.77
5. Step 5: Solve for x
   x = 3,577,132,387,437.77/2,061,568
6. Step 6: Final answer
   x = 1,735,151.30