Finding the Fourth Proportional to 1,926.69, 2,661.46 and 1,490.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.69 : 2,661.46 = 1,490.10 : x
2. Step 2: Convert to fraction form
   1,926.69/2,661.46 = 1,490.10/x
3. Step 3: Cross multiply
   1,926.69x = 2,661.46 × 1,490.10
4. Step 4: Simplify right side
   1,926.69x = 3,965,841.55
5. Step 5: Solve for x
   x = 3,965,841.55/1,926.69
6. Step 6: Final answer
   x = 2,058.37