Finding the Fourth Proportional to 16,693.31, 23,037.88 and 9,620.19

Step by Step Solution

1. Step 1: Write the proportion equation
   16,693.31 : 23,037.88 = 9,620.19 : x
2. Step 2: Convert to fraction form
   16,693.31/23,037.88 = 9,620.19/x
3. Step 3: Cross multiply
   16,693.31x = 23,037.88 × 9,620.19
4. Step 4: Simplify right side
   16,693.31x = 221,628,782.80
5. Step 5: Solve for x
   x = 221,628,782.80/16,693.31
6. Step 6: Final answer
   x = 13,276.50