Finding the Fourth Proportional to 5,401.94, 8,102.88 and 2,117.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.94 : 8,102.88 = 2,117.34 : x
2. Step 2: Convert to fraction form
   5,401.94/8,102.88 = 2,117.34/x
3. Step 3: Cross multiply
   5,401.94x = 8,102.88 × 2,117.34
4. Step 4: Simplify right side
   5,401.94x = 17,156,551.94
5. Step 5: Solve for x
   x = 17,156,551.94/5,401.94
6. Step 6: Final answer
   x = 3,176.00