Finding the Fourth Proportional to 1,409.83, 1,946.24 and 938.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.83 : 1,946.24 = 938.51 : x
2. Step 2: Convert to fraction form
   1,409.83/1,946.24 = 938.51/x
3. Step 3: Cross multiply
   1,409.83x = 1,946.24 × 938.51
4. Step 4: Simplify right side
   1,409.83x = 1,826,565.70
5. Step 5: Solve for x
   x = 1,826,565.70/1,409.83
6. Step 6: Final answer
   x = 1,295.59