Finding the Fourth Proportional to 5,056.05, 7,580.43 and 3,408.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,056.05 : 7,580.43 = 3,408.51 : x
2. Step 2: Convert to fraction form
   5,056.05/7,580.43 = 3,408.51/x
3. Step 3: Cross multiply
   5,056.05x = 7,580.43 × 3,408.51
4. Step 4: Simplify right side
   5,056.05x = 25,837,971.46
5. Step 5: Solve for x
   x = 25,837,971.46/5,056.05
6. Step 6: Final answer
   x = 5,110.31