Finding the Fourth Proportional to 910.86, 1,364.23 and 746.83

Step by Step Solution

1. Step 1: Write the proportion equation
   910.86 : 1,364.23 = 746.83 : x
2. Step 2: Convert to fraction form
   910.86/1,364.23 = 746.83/x
3. Step 3: Cross multiply
   910.86x = 1,364.23 × 746.83
4. Step 4: Simplify right side
   910.86x = 1,018,847.89
5. Step 5: Solve for x
   x = 1,018,847.89/910.86
6. Step 6: Final answer
   x = 1,118.56