Finding the Fourth Proportional to 13,827.52, 20,739 and 5,931.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,827.52 : 20,739 = 5,931.31 : x
2. Step 2: Convert to fraction form
   13,827.52/20,739 = 5,931.31/x
3. Step 3: Cross multiply
   13,827.52x = 20,739 × 5,931.31
4. Step 4: Simplify right side
   13,827.52x = 123,009,438.09
5. Step 5: Solve for x
   x = 123,009,438.09/13,827.52
6. Step 6: Final answer
   x = 8,895.99