Finding the Fourth Proportional to 5,143.34, 7,100.86 and 3,378.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,143.34 : 7,100.86 = 3,378.04 : x
2. Step 2: Convert to fraction form
   5,143.34/7,100.86 = 3,378.04/x
3. Step 3: Cross multiply
   5,143.34x = 7,100.86 × 3,378.04
4. Step 4: Simplify right side
   5,143.34x = 23,986,989.11
5. Step 5: Solve for x
   x = 23,986,989.11/5,143.34
6. Step 6: Final answer
   x = 4,663.70