Finding the Fourth Proportional to 1,179.86, 1,627.76 and 714.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179.86 : 1,627.76 = 714.10 : x
2. Step 2: Convert to fraction form
   1,179.86/1,627.76 = 714.10/x
3. Step 3: Cross multiply
   1,179.86x = 1,627.76 × 714.10
4. Step 4: Simplify right side
   1,179.86x = 1,162,383.42
5. Step 5: Solve for x
   x = 1,162,383.42/1,179.86
6. Step 6: Final answer
   x = 985.19