Finding the Fourth Proportional to 1,334.90, 1,841.59 and 837.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.90 : 1,841.59 = 837.20 : x
2. Step 2: Convert to fraction form
   1,334.90/1,841.59 = 837.20/x
3. Step 3: Cross multiply
   1,334.90x = 1,841.59 × 837.20
4. Step 4: Simplify right side
   1,334.90x = 1,541,779.15
5. Step 5: Solve for x
   x = 1,541,779.15/1,334.90
6. Step 6: Final answer
   x = 1,154.98