Finding the Fourth Proportional to 16,973.49, 23,416.99 and 12,507.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,973.49 : 23,416.99 = 12,507.89 : x
2. Step 2: Convert to fraction form
   16,973.49/23,416.99 = 12,507.89/x
3. Step 3: Cross multiply
   16,973.49x = 23,416.99 × 12,507.89
4. Step 4: Simplify right side
   16,973.49x = 292,897,162.32
5. Step 5: Solve for x
   x = 292,897,162.32/16,973.49
6. Step 6: Final answer
   x = 17,256.15