Finding the Fourth Proportional to 17,375.59, 23,978.36 and 9,417.81

Step by Step Solution

1. Step 1: Write the proportion equation
   17,375.59 : 23,978.36 = 9,417.81 : x
2. Step 2: Convert to fraction form
   17,375.59/23,978.36 = 9,417.81/x
3. Step 3: Cross multiply
   17,375.59x = 23,978.36 × 9,417.81
4. Step 4: Simplify right side
   17,375.59x = 225,823,638.59
5. Step 5: Solve for x
   x = 225,823,638.59/17,375.59
6. Step 6: Final answer
   x = 12,996.60