Finding the Fourth Proportional to 16,501.90, 24,719.34 and 13,175.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,501.90 : 24,719.34 = 13,175.78 : x
2. Step 2: Convert to fraction form
   16,501.90/24,719.34 = 13,175.78/x
3. Step 3: Cross multiply
   16,501.90x = 24,719.34 × 13,175.78
4. Step 4: Simplify right side
   16,501.90x = 325,696,585.59
5. Step 5: Solve for x
   x = 325,696,585.59/16,501.90
6. Step 6: Final answer
   x = 19,736.91