Finding the Fourth Proportional to 1,333.86, 1,841.40 and 837.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.86 : 1,841.40 = 837.22 : x
2. Step 2: Convert to fraction form
   1,333.86/1,841.40 = 837.22/x
3. Step 3: Cross multiply
   1,333.86x = 1,841.40 × 837.22
4. Step 4: Simplify right side
   1,333.86x = 1,541,656.91
5. Step 5: Solve for x
   x = 1,541,656.91/1,333.86
6. Step 6: Final answer
   x = 1,155.79