Finding the Fourth Proportional to 1,411.04, 1,946.56 and 913.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.04 : 1,946.56 = 913.50 : x
2. Step 2: Convert to fraction form
   1,411.04/1,946.56 = 913.50/x
3. Step 3: Cross multiply
   1,411.04x = 1,946.56 × 913.50
4. Step 4: Simplify right side
   1,411.04x = 1,778,182.56
5. Step 5: Solve for x
   x = 1,778,182.56/1,411.04
6. Step 6: Final answer
   x = 1,260.19