Finding the Fourth Proportional to 2,218,311.43, 3,061,271.79 and 1,199,716.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,311.43 : 3,061,271.79 = 1,199,716.18 : x
2. Step 2: Convert to fraction form
   2,218,311.43/3,061,271.79 = 1,199,716.18/x
3. Step 3: Cross multiply
   2,218,311.43x = 3,061,271.79 × 1,199,716.18
4. Step 4: Simplify right side
   2,218,311.43x = 3,672,657,297,840.56
5. Step 5: Solve for x
   x = 3,672,657,297,840.56/2,218,311.43
6. Step 6: Final answer
   x = 1,655,609.42