Finding the Fourth Proportional to 17,873.00, 24,667.68 and 9,917.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,873.00 : 24,667.68 = 9,917.78 : x
2. Step 2: Convert to fraction form
   17,873.00/24,667.68 = 9,917.78/x
3. Step 3: Cross multiply
   17,873.00x = 24,667.68 × 9,917.78
4. Step 4: Simplify right side
   17,873.00x = 244,648,722.21
5. Step 5: Solve for x
   x = 244,648,722.21/17,873.00
6. Step 6: Final answer
   x = 13,688.18