Finding the Fourth Proportional to 1,333.76, 1,841.40 and 914.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.76 : 1,841.40 = 914.80 : x
2. Step 2: Convert to fraction form
   1,333.76/1,841.40 = 914.80/x
3. Step 3: Cross multiply
   1,333.76x = 1,841.40 × 914.80
4. Step 4: Simplify right side
   1,333.76x = 1,684,512.72
5. Step 5: Solve for x
   x = 1,684,512.72/1,333.76
6. Step 6: Final answer
   x = 1,262.98