Finding the Fourth Proportional to 1,182.09, 1,773.39 and 402.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.09 : 1,773.39 = 402.17 : x
2. Step 2: Convert to fraction form
   1,182.09/1,773.39 = 402.17/x
3. Step 3: Cross multiply
   1,182.09x = 1,773.39 × 402.17
4. Step 4: Simplify right side
   1,182.09x = 713,196.90
5. Step 5: Solve for x
   x = 713,196.90/1,182.09
6. Step 6: Final answer
   x = 603.33