Finding the Fourth Proportional to 5,368.56, 7,408.56 and 3,381.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,368.56 : 7,408.56 = 3,381.72 : x
2. Step 2: Convert to fraction form
   5,368.56/7,408.56 = 3,381.72/x
3. Step 3: Cross multiply
   5,368.56x = 7,408.56 × 3,381.72
4. Step 4: Simplify right side
   5,368.56x = 25,053,675.52
5. Step 5: Solve for x
   x = 25,053,675.52/5,368.56
6. Step 6: Final answer
   x = 4,666.74