Finding the Fourth Proportional to 16,255.31, 22,430.05 and 9,084.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,255.31 : 22,430.05 = 9,084.32 : x
2. Step 2: Convert to fraction form
   16,255.31/22,430.05 = 9,084.32/x
3. Step 3: Cross multiply
   16,255.31x = 22,430.05 × 9,084.32
4. Step 4: Simplify right side
   16,255.31x = 203,761,751.82
5. Step 5: Solve for x
   x = 203,761,751.82/16,255.31
6. Step 6: Final answer
   x = 12,535.09