Finding the Fourth Proportional to 16,980.03, 23,429.25 and 9,904.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,980.03 : 23,429.25 = 9,904.68 : x
2. Step 2: Convert to fraction form
   16,980.03/23,429.25 = 9,904.68/x
3. Step 3: Cross multiply
   16,980.03x = 23,429.25 × 9,904.68
4. Step 4: Simplify right side
   16,980.03x = 232,059,223.89
5. Step 5: Solve for x
   x = 232,059,223.89/16,980.03
6. Step 6: Final answer
   x = 13,666.60