Finding the Fourth Proportional to 1,316.52, 1,973.25 and 494.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,316.52 : 1,973.25 = 494.27 : x
2. Step 2: Convert to fraction form
   1,316.52/1,973.25 = 494.27/x
3. Step 3: Cross multiply
   1,316.52x = 1,973.25 × 494.27
4. Step 4: Simplify right side
   1,316.52x = 975,315.81
5. Step 5: Solve for x
   x = 975,315.81/1,316.52
6. Step 6: Final answer
   x = 740.83