Finding the Fourth Proportional to 10,771.47, 16,141.40 and 5,427.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,771.47 : 16,141.40 = 5,427.34 : x
2. Step 2: Convert to fraction form
   10,771.47/16,141.40 = 5,427.34/x
3. Step 3: Cross multiply
   10,771.47x = 16,141.40 × 5,427.34
4. Step 4: Simplify right side
   10,771.47x = 87,604,818.74
5. Step 5: Solve for x
   x = 87,604,818.74/10,771.47
6. Step 6: Final answer
   x = 8,133.04