Finding the Fourth Proportional to 1,409.50, 1,944.66 and 912.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.50 : 1,944.66 = 912.52 : x
2. Step 2: Convert to fraction form
   1,409.50/1,944.66 = 912.52/x
3. Step 3: Cross multiply
   1,409.50x = 1,944.66 × 912.52
4. Step 4: Simplify right side
   1,409.50x = 1,774,541.14
5. Step 5: Solve for x
   x = 1,774,541.14/1,409.50
6. Step 6: Final answer
   x = 1,258.99