Finding the Fourth Proportional to 16,337.30, 22,550.55 and 12,986.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,337.30 : 22,550.55 = 12,986.06 : x
2. Step 2: Convert to fraction form
   16,337.30/22,550.55 = 12,986.06/x
3. Step 3: Cross multiply
   16,337.30x = 22,550.55 × 12,986.06
4. Step 4: Simplify right side
   16,337.30x = 292,842,795.33
5. Step 5: Solve for x
   x = 292,842,795.33/16,337.30
6. Step 6: Final answer
   x = 17,924.80