Finding the Fourth Proportional to 2,093.34, 3,136.05 and 1,397.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.34 : 3,136.05 = 1,397.91 : x
2. Step 2: Convert to fraction form
   2,093.34/3,136.05 = 1,397.91/x
3. Step 3: Cross multiply
   2,093.34x = 3,136.05 × 1,397.91
4. Step 4: Simplify right side
   2,093.34x = 4,383,915.66
5. Step 5: Solve for x
   x = 4,383,915.66/2,093.34
6. Step 6: Final answer
   x = 2,094.22