Finding the Fourth Proportional to 17,375.75, 23,978.37 and 9,718.93

Step by Step Solution

1. Step 1: Write the proportion equation
   17,375.75 : 23,978.37 = 9,718.93 : x
2. Step 2: Convert to fraction form
   17,375.75/23,978.37 = 9,718.93/x
3. Step 3: Cross multiply
   17,375.75x = 23,978.37 × 9,718.93
4. Step 4: Simplify right side
   17,375.75x = 233,044,003.15
5. Step 5: Solve for x
   x = 233,044,003.15/17,375.75
6. Step 6: Final answer
   x = 13,412.03