Finding the Fourth Proportional to 17,876.10, 24,667.16 and 9,918.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,876.10 : 24,667.16 = 9,918.12 : x
2. Step 2: Convert to fraction form
   17,876.10/24,667.16 = 9,918.12/x
3. Step 3: Cross multiply
   17,876.10x = 24,667.16 × 9,918.12
4. Step 4: Simplify right side
   17,876.10x = 244,651,803.35
5. Step 5: Solve for x
   x = 244,651,803.35/17,876.10
6. Step 6: Final answer
   x = 13,685.97