Finding the Fourth Proportional to 2,259,458.88, 3,118,049.40 and 1,240,863.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259,458.88 : 3,118,049.40 = 1,240,863.63 : x
2. Step 2: Convert to fraction form
   2,259,458.88/3,118,049.40 = 1,240,863.63/x
3. Step 3: Cross multiply
   2,259,458.88x = 3,118,049.40 × 1,240,863.63
4. Step 4: Simplify right side
   2,259,458.88x = 3,869,074,097,003.32
5. Step 5: Solve for x
   x = 3,869,074,097,003.32/2,259,458.88
6. Step 6: Final answer
   x = 1,712,389.69