Finding the Fourth Proportional to 17,375.61, 23,978.33 and 9,417.84

Step by Step Solution

1. Step 1: Write the proportion equation
   17,375.61 : 23,978.33 = 9,417.84 : x
2. Step 2: Convert to fraction form
   17,375.61/23,978.33 = 9,417.84/x
3. Step 3: Cross multiply
   17,375.61x = 23,978.33 × 9,417.84
4. Step 4: Simplify right side
   17,375.61x = 225,824,075.41
5. Step 5: Solve for x
   x = 225,824,075.41/17,375.61
6. Step 6: Final answer
   x = 12,996.61