Finding the Fourth Proportional to 16,973.74, 23,417.67 and 9,521.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,973.74 : 23,417.67 = 9,521.74 : x
2. Step 2: Convert to fraction form
   16,973.74/23,417.67 = 9,521.74/x
3. Step 3: Cross multiply
   16,973.74x = 23,417.67 × 9,521.74
4. Step 4: Simplify right side
   16,973.74x = 222,976,965.15
5. Step 5: Solve for x
   x = 222,976,965.15/16,973.74
6. Step 6: Final answer
   x = 13,136.58