Finding the Fourth Proportional to 1,179.81, 1,627.43 and 914.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179.81 : 1,627.43 = 914.49 : x
2. Step 2: Convert to fraction form
   1,179.81/1,627.43 = 914.49/x
3. Step 3: Cross multiply
   1,179.81x = 1,627.43 × 914.49
4. Step 4: Simplify right side
   1,179.81x = 1,488,263.89
5. Step 5: Solve for x
   x = 1,488,263.89/1,179.81
6. Step 6: Final answer
   x = 1,261.44