Finding the Fourth Proportional to 2,290.17, 3,435.94 and 1,624.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.17 : 3,435.94 = 1,624.35 : x
2. Step 2: Convert to fraction form
   2,290.17/3,435.94 = 1,624.35/x
3. Step 3: Cross multiply
   2,290.17x = 3,435.94 × 1,624.35
4. Step 4: Simplify right side
   2,290.17x = 5,581,181.79
5. Step 5: Solve for x
   x = 5,581,181.79/2,290.17
6. Step 6: Final answer
   x = 2,437.01