Finding the Fourth Proportional to 2,091,778.17, 3,123,581.18 and 1,708,287.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091,778.17 : 3,123,581.18 = 1,708,287.78 : x
2. Step 2: Convert to fraction form
   2,091,778.17/3,123,581.18 = 1,708,287.78/x
3. Step 3: Cross multiply
   2,091,778.17x = 3,123,581.18 × 1,708,287.78
4. Step 4: Simplify right side
   2,091,778.17x = 5,335,975,559,631.98
5. Step 5: Solve for x
   x = 5,335,975,559,631.98/2,091,778.17
6. Step 6: Final answer
   x = 2,550,928.03