Finding the Fourth Proportional to 16,788.62, 23,170.12 and 10,503.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788.62 : 23,170.12 = 10,503.02 : x
2. Step 2: Convert to fraction form
   16,788.62/23,170.12 = 10,503.02/x
3. Step 3: Cross multiply
   16,788.62x = 23,170.12 × 10,503.02
4. Step 4: Simplify right side
   16,788.62x = 243,356,233.76
5. Step 5: Solve for x
   x = 243,356,233.76/16,788.62
6. Step 6: Final answer
   x = 14,495.31