Finding the Fourth Proportional to 8,031.51, 11,086.56 and 5,377.95

Step by Step Solution

1. Step 1: Write the proportion equation
   8,031.51 : 11,086.56 = 5,377.95 : x
2. Step 2: Convert to fraction form
   8,031.51/11,086.56 = 5,377.95/x
3. Step 3: Cross multiply
   8,031.51x = 11,086.56 × 5,377.95
4. Step 4: Simplify right side
   8,031.51x = 59,622,965.35
5. Step 5: Solve for x
   x = 59,622,965.35/8,031.51
6. Step 6: Final answer
   x = 7,423.63