Finding the Fourth Proportional to 12,732.01, 19,078.48 and 5,332.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,732.01 : 19,078.48 = 5,332.42 : x
2. Step 2: Convert to fraction form
   12,732.01/19,078.48 = 5,332.42/x
3. Step 3: Cross multiply
   12,732.01x = 19,078.48 × 5,332.42
4. Step 4: Simplify right side
   12,732.01x = 101,734,468.32
5. Step 5: Solve for x
   x = 101,734,468.32/12,732.01
6. Step 6: Final answer
   x = 7,990.45