Finding the Fourth Proportional to 5,393.54, 8,091.33 and 2,106.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,393.54 : 8,091.33 = 2,106.42 : x
2. Step 2: Convert to fraction form
   5,393.54/8,091.33 = 2,106.42/x
3. Step 3: Cross multiply
   5,393.54x = 8,091.33 × 2,106.42
4. Step 4: Simplify right side
   5,393.54x = 17,043,746.61
5. Step 5: Solve for x
   x = 17,043,746.61/5,393.54
6. Step 6: Final answer
   x = 3,160.03