Finding the Fourth Proportional to 1,182.51, 1,773.77 and 402.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.51 : 1,773.77 = 402.59 : x
2. Step 2: Convert to fraction form
   1,182.51/1,773.77 = 402.59/x
3. Step 3: Cross multiply
   1,182.51x = 1,773.77 × 402.59
4. Step 4: Simplify right side
   1,182.51x = 714,104.49
5. Step 5: Solve for x
   x = 714,104.49/1,182.51
6. Step 6: Final answer
   x = 603.89