Finding the Fourth Proportional to 1,613.89, 2,422.05 and 1,065.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613.89 : 2,422.05 = 1,065.88 : x
2. Step 2: Convert to fraction form
   1,613.89/2,422.05 = 1,065.88/x
3. Step 3: Cross multiply
   1,613.89x = 2,422.05 × 1,065.88
4. Step 4: Simplify right side
   1,613.89x = 2,581,614.65
5. Step 5: Solve for x
   x = 2,581,614.65/1,613.89
6. Step 6: Final answer
   x = 1,599.62