Finding the Fourth Proportional to 5,881.02, 8,111.05 and 5,171.39

Step by Step Solution

1. Step 1: Write the proportion equation
   5,881.02 : 8,111.05 = 5,171.39 : x
2. Step 2: Convert to fraction form
   5,881.02/8,111.05 = 5,171.39/x
3. Step 3: Cross multiply
   5,881.02x = 8,111.05 × 5,171.39
4. Step 4: Simplify right side
   5,881.02x = 41,945,402.86
5. Step 5: Solve for x
   x = 41,945,402.86/5,881.02
6. Step 6: Final answer
   x = 7,132.33