Finding the Fourth Proportional to 17,875.91, 24,667.91 and 9,918.07

Step by Step Solution

1. Step 1: Write the proportion equation
   17,875.91 : 24,667.91 = 9,918.07 : x
2. Step 2: Convert to fraction form
   17,875.91/24,667.91 = 9,918.07/x
3. Step 3: Cross multiply
   17,875.91x = 24,667.91 × 9,918.07
4. Step 4: Simplify right side
   17,875.91x = 244,657,984.07
5. Step 5: Solve for x
   x = 244,657,984.07/17,875.91
6. Step 6: Final answer
   x = 13,686.46