Finding the Fourth Proportional to 16,488.74, 24,727.89 and 5,392.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,488.74 : 24,727.89 = 5,392.87 : x
2. Step 2: Convert to fraction form
   16,488.74/24,727.89 = 5,392.87/x
3. Step 3: Cross multiply
   16,488.74x = 24,727.89 × 5,392.87
4. Step 4: Simplify right side
   16,488.74x = 133,354,296.14
5. Step 5: Solve for x
   x = 133,354,296.14/16,488.74
6. Step 6: Final answer
   x = 8,087.60