Finding the Fourth Proportional to 16,200.81, 24,303.04 and 5,109.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,200.81 : 24,303.04 = 5,109.08 : x
2. Step 2: Convert to fraction form
   16,200.81/24,303.04 = 5,109.08/x
3. Step 3: Cross multiply
   16,200.81x = 24,303.04 × 5,109.08
4. Step 4: Simplify right side
   16,200.81x = 124,166,041.32
5. Step 5: Solve for x
   x = 124,166,041.32/16,200.81
6. Step 6: Final answer
   x = 7,664.19