Finding the Fourth Proportional to 913.86, 1,364.22 and 846.27

Step by Step Solution

1. Step 1: Write the proportion equation
   913.86 : 1,364.22 = 846.27 : x
2. Step 2: Convert to fraction form
   913.86/1,364.22 = 846.27/x
3. Step 3: Cross multiply
   913.86x = 1,364.22 × 846.27
4. Step 4: Simplify right side
   913.86x = 1,154,498.46
5. Step 5: Solve for x
   x = 1,154,498.46/913.86
6. Step 6: Final answer
   x = 1,263.32