Finding the Fourth Proportional to 1,182.34, 1,773.50 and 451.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.34 : 1,773.50 = 451.74 : x
2. Step 2: Convert to fraction form
   1,182.34/1,773.50 = 451.74/x
3. Step 3: Cross multiply
   1,182.34x = 1,773.50 × 451.74
4. Step 4: Simplify right side
   1,182.34x = 801,160.89
5. Step 5: Solve for x
   x = 801,160.89/1,182.34
6. Step 6: Final answer
   x = 677.61