Finding the Fourth Proportional to 2,218,313.43, 3,061,274.55 and 1,199,718.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,313.43 : 3,061,274.55 = 1,199,718.18 : x
2. Step 2: Convert to fraction form
   2,218,313.43/3,061,274.55 = 1,199,718.18/x
3. Step 3: Cross multiply
   2,218,313.43x = 3,061,274.55 × 1,199,718.18
4. Step 4: Simplify right side
   2,218,313.43x = 3,672,666,731,606.32
5. Step 5: Solve for x
   x = 3,672,666,731,606.32/2,218,313.43
6. Step 6: Final answer
   x = 1,655,612.18