Finding the Fourth Proportional to 12,089.22, 16,681.98 and 6,783

Step by Step Solution

1. Step 1: Write the proportion equation
   12,089.22 : 16,681.98 = 6,783 : x
2. Step 2: Convert to fraction form
   12,089.22/16,681.98 = 6,783/x
3. Step 3: Cross multiply
   12,089.22x = 16,681.98 × 6,783
4. Step 4: Simplify right side
   12,089.22x = 113,153,870.34
5. Step 5: Solve for x
   x = 113,153,870.34/12,089.22
6. Step 6: Final answer
   x = 9,359.90