Finding the Fourth Proportional to 17,619.72, 24,319.10 and 13,783.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,619.72 : 24,319.10 = 13,783.76 : x
2. Step 2: Convert to fraction form
   17,619.72/24,319.10 = 13,783.76/x
3. Step 3: Cross multiply
   17,619.72x = 24,319.10 × 13,783.76
4. Step 4: Simplify right side
   17,619.72x = 335,208,447.30
5. Step 5: Solve for x
   x = 335,208,447.30/17,619.72
6. Step 6: Final answer
   x = 19,024.62