Finding the Fourth Proportional to 1,495.83, 2,243.59 and 400.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.83 : 2,243.59 = 400.31 : x
2. Step 2: Convert to fraction form
   1,495.83/2,243.59 = 400.31/x
3. Step 3: Cross multiply
   1,495.83x = 2,243.59 × 400.31
4. Step 4: Simplify right side
   1,495.83x = 898,131.51
5. Step 5: Solve for x
   x = 898,131.51/1,495.83
6. Step 6: Final answer
   x = 600.42