Finding the Fourth Proportional to 1,411.50, 1,947.42 and 914.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.50 : 1,947.42 = 914.52 : x
2. Step 2: Convert to fraction form
   1,411.50/1,947.42 = 914.52/x
3. Step 3: Cross multiply
   1,411.50x = 1,947.42 × 914.52
4. Step 4: Simplify right side
   1,411.50x = 1,780,954.54
5. Step 5: Solve for x
   x = 1,780,954.54/1,411.50
6. Step 6: Final answer
   x = 1,261.75