Finding the Fourth Proportional to 17,375.74, 23,978.44 and 9,417.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,375.74 : 23,978.44 = 9,417.98 : x
2. Step 2: Convert to fraction form
   17,375.74/23,978.44 = 9,417.98/x
3. Step 3: Cross multiply
   17,375.74x = 23,978.44 × 9,417.98
4. Step 4: Simplify right side
   17,375.74x = 225,828,468.35
5. Step 5: Solve for x
   x = 225,828,468.35/17,375.74
6. Step 6: Final answer
   x = 12,996.77