Finding the Fourth Proportional to 2,218,208.81, 3,061,137.37 and 1,199,613.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,208.81 : 3,061,137.37 = 1,199,613.57 : x
2. Step 2: Convert to fraction form
   2,218,208.81/3,061,137.37 = 1,199,613.57/x
3. Step 3: Cross multiply
   2,218,208.81x = 3,061,137.37 × 1,199,613.57
4. Step 4: Simplify right side
   2,218,208.81x = 3,672,181,922,688.04
5. Step 5: Solve for x
   x = 3,672,181,922,688.04/2,218,208.81
6. Step 6: Final answer
   x = 1,655,471.71