Finding the Fourth Proportional to 2,490.23, 3,733.29 and 1,319.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.23 : 3,733.29 = 1,319.52 : x
2. Step 2: Convert to fraction form
   2,490.23/3,733.29 = 1,319.52/x
3. Step 3: Cross multiply
   2,490.23x = 3,733.29 × 1,319.52
4. Step 4: Simplify right side
   2,490.23x = 4,926,164.82
5. Step 5: Solve for x
   x = 4,926,164.82/2,490.23
6. Step 6: Final answer
   x = 1,978.20