Finding the Fourth Proportional to 2,218,314.57, 3,061,276.11 and 1,199,719.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,314.57 : 3,061,276.11 = 1,199,719.32 : x
2. Step 2: Convert to fraction form
   2,218,314.57/3,061,276.11 = 1,199,719.32/x
3. Step 3: Cross multiply
   2,218,314.57x = 3,061,276.11 × 1,199,719.32
4. Step 4: Simplify right side
   2,218,314.57x = 3,672,672,093,021.45
5. Step 5: Solve for x
   x = 3,672,672,093,021.45/2,218,314.57
6. Step 6: Final answer
   x = 1,655,613.75