Finding the Fourth Proportional to 3,381.72, 5,074.70 and 3,353.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,381.72 : 5,074.70 = 3,353.86 : x
2. Step 2: Convert to fraction form
   3,381.72/5,074.70 = 3,353.86/x
3. Step 3: Cross multiply
   3,381.72x = 5,074.70 × 3,353.86
4. Step 4: Simplify right side
   3,381.72x = 17,019,833.34
5. Step 5: Solve for x
   x = 17,019,833.34/3,381.72
6. Step 6: Final answer
   x = 5,032.89