Finding the Fourth Proportional to 1,182.47, 1,773.31 and 402.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.47 : 1,773.31 = 402.27 : x
2. Step 2: Convert to fraction form
   1,182.47/1,773.31 = 402.27/x
3. Step 3: Cross multiply
   1,182.47x = 1,773.31 × 402.27
4. Step 4: Simplify right side
   1,182.47x = 713,342.51
5. Step 5: Solve for x
   x = 713,342.51/1,182.47
6. Step 6: Final answer
   x = 603.27