Finding the Fourth Proportional to 16,399.50, 24,599.34 and 4,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,399.50 : 24,599.34 = 4,087.50 : x
2. Step 2: Convert to fraction form
   16,399.50/24,599.34 = 4,087.50/x
3. Step 3: Cross multiply
   16,399.50x = 24,599.34 × 4,087.50
4. Step 4: Simplify right side
   16,399.50x = 100,549,802.25
5. Step 5: Solve for x
   x = 100,549,802.25/16,399.50
6. Step 6: Final answer
   x = 6,131.27