Finding the Fourth Proportional to 17,876.48, 24,667.60 and 9,918.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,876.48 : 24,667.60 = 9,918.56 : x
2. Step 2: Convert to fraction form
   17,876.48/24,667.60 = 9,918.56/x
3. Step 3: Cross multiply
   17,876.48x = 24,667.60 × 9,918.56
4. Step 4: Simplify right side
   17,876.48x = 244,667,070.66
5. Step 5: Solve for x
   x = 244,667,070.66/17,876.48
6. Step 6: Final answer
   x = 13,686.54