Finding the Fourth Proportional to 1,411.97, 1,948.64 and 914.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.97 : 1,948.64 = 914.72 : x
2. Step 2: Convert to fraction form
   1,411.97/1,948.64 = 914.72/x
3. Step 3: Cross multiply
   1,411.97x = 1,948.64 × 914.72
4. Step 4: Simplify right side
   1,411.97x = 1,782,445.66
5. Step 5: Solve for x
   x = 1,782,445.66/1,411.97
6. Step 6: Final answer
   x = 1,262.39