Finding the Fourth Proportional to 16,973.35, 23,426.04 and 9,899.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,973.35 : 23,426.04 = 9,899.77 : x
2. Step 2: Convert to fraction form
   16,973.35/23,426.04 = 9,899.77/x
3. Step 3: Cross multiply
   16,973.35x = 23,426.04 × 9,899.77
4. Step 4: Simplify right side
   16,973.35x = 231,912,346.96
5. Step 5: Solve for x
   x = 231,912,346.96/16,973.35
6. Step 6: Final answer
   x = 13,663.32