Finding the Fourth Proportional to 2,290,665.62, 3,432,748.71 and 1,686,891.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290,665.62 : 3,432,748.71 = 1,686,891.62 : x
2. Step 2: Convert to fraction form
   2,290,665.62/3,432,748.71 = 1,686,891.62/x
3. Step 3: Cross multiply
   2,290,665.62x = 3,432,748.71 × 1,686,891.62
4. Step 4: Simplify right side
   2,290,665.62x = 5,790,675,047,372.53
5. Step 5: Solve for x
   x = 5,790,675,047,372.53/2,290,665.62
6. Step 6: Final answer
   x = 2,527,944.28