Finding the Fourth Proportional to 2,218,205.03, 3,061,132.16 and 1,199,609.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,205.03 : 3,061,132.16 = 1,199,609.78 : x
2. Step 2: Convert to fraction form
   2,218,205.03/3,061,132.16 = 1,199,609.78/x
3. Step 3: Cross multiply
   2,218,205.03x = 3,061,132.16 × 1,199,609.78
4. Step 4: Simplify right side
   2,218,205.03x = 3,672,164,055,704.81
5. Step 5: Solve for x
   x = 3,672,164,055,704.81/2,218,205.03
6. Step 6: Final answer
   x = 1,655,466.48