Finding the Fourth Proportional to 16,415.81, 24,627.61 and 5,322.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,415.81 : 24,627.61 = 5,322.50 : x
2. Step 2: Convert to fraction form
   16,415.81/24,627.61 = 5,322.50/x
3. Step 3: Cross multiply
   16,415.81x = 24,627.61 × 5,322.50
4. Step 4: Simplify right side
   16,415.81x = 131,080,454.23
5. Step 5: Solve for x
   x = 131,080,454.23/16,415.81
6. Step 6: Final answer
   x = 7,985.01