Finding the Fourth Proportional to 5,113.89, 7,055.47 and 4,168.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,113.89 : 7,055.47 = 4,168.05 : x
2. Step 2: Convert to fraction form
   5,113.89/7,055.47 = 4,168.05/x
3. Step 3: Cross multiply
   5,113.89x = 7,055.47 × 4,168.05
4. Step 4: Simplify right side
   5,113.89x = 29,407,580.09
5. Step 5: Solve for x
   x = 29,407,580.09/5,113.89
6. Step 6: Final answer
   x = 5,750.53