Finding the Fourth Proportional to 8,101.54, 11,181.54 and 5,116.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,101.54 : 11,181.54 = 5,116.42 : x
2. Step 2: Convert to fraction form
   8,101.54/11,181.54 = 5,116.42/x
3. Step 3: Cross multiply
   8,101.54x = 11,181.54 × 5,116.42
4. Step 4: Simplify right side
   8,101.54x = 57,209,454.89
5. Step 5: Solve for x
   x = 57,209,454.89/8,101.54
6. Step 6: Final answer
   x = 7,061.55