Finding the Fourth Proportional to 2,399,883.56, 3,311,839.59 and 1,312,155.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399,883.56 : 3,311,839.59 = 1,312,155.87 : x
2. Step 2: Convert to fraction form
   2,399,883.56/3,311,839.59 = 1,312,155.87/x
3. Step 3: Cross multiply
   2,399,883.56x = 3,311,839.59 × 1,312,155.87
4. Step 4: Simplify right side
   2,399,883.56x = 4,345,649,767,186.89
5. Step 5: Solve for x
   x = 4,345,649,767,186.89/2,399,883.56
6. Step 6: Final answer
   x = 1,810,775.26