Finding the Fourth Proportional to 1,861.46, 2,567.90 and 1,301.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,861.46 : 2,567.90 = 1,301.72 : x
2. Step 2: Convert to fraction form
   1,861.46/2,567.90 = 1,301.72/x
3. Step 3: Cross multiply
   1,861.46x = 2,567.90 × 1,301.72
4. Step 4: Simplify right side
   1,861.46x = 3,342,691.65
5. Step 5: Solve for x
   x = 3,342,691.65/1,861.46
6. Step 6: Final answer
   x = 1,795.74