Finding the Fourth Proportional to 1,411.74, 1,946.94 and 913.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.74 : 1,946.94 = 913.86 : x
2. Step 2: Convert to fraction form
   1,411.74/1,946.94 = 913.86/x
3. Step 3: Cross multiply
   1,411.74x = 1,946.94 × 913.86
4. Step 4: Simplify right side
   1,411.74x = 1,779,230.59
5. Step 5: Solve for x
   x = 1,779,230.59/1,411.74
6. Step 6: Final answer
   x = 1,260.31