Finding the Fourth Proportional to 16,152.50, 22,290.35 and 9,078.93

Step by Step Solution

1. Step 1: Write the proportion equation
   16,152.50 : 22,290.35 = 9,078.93 : x
2. Step 2: Convert to fraction form
   16,152.50/22,290.35 = 9,078.93/x
3. Step 3: Cross multiply
   16,152.50x = 22,290.35 × 9,078.93
4. Step 4: Simplify right side
   16,152.50x = 202,372,481.93
5. Step 5: Solve for x
   x = 202,372,481.93/16,152.50
6. Step 6: Final answer
   x = 12,528.87