Finding the Fourth Proportional to 16,500.16, 22,761.03 and 9,779.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,500.16 : 22,761.03 = 9,779.32 : x
2. Step 2: Convert to fraction form
   16,500.16/22,761.03 = 9,779.32/x
3. Step 3: Cross multiply
   16,500.16x = 22,761.03 × 9,779.32
4. Step 4: Simplify right side
   16,500.16x = 222,587,395.90
5. Step 5: Solve for x
   x = 222,587,395.90/16,500.16
6. Step 6: Final answer
   x = 13,490.01