Finding the Fourth Proportional to 1,182.63, 1,773.61 and 452.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.63 : 1,773.61 = 452.15 : x
2. Step 2: Convert to fraction form
   1,182.63/1,773.61 = 452.15/x
3. Step 3: Cross multiply
   1,182.63x = 1,773.61 × 452.15
4. Step 4: Simplify right side
   1,182.63x = 801,937.76
5. Step 5: Solve for x
   x = 801,937.76/1,182.63
6. Step 6: Final answer
   x = 678.10