Finding the Fourth Proportional to 17,375.74, 23,978.70 and 9,822.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,375.74 : 23,978.70 = 9,822.15 : x
2. Step 2: Convert to fraction form
   17,375.74/23,978.70 = 9,822.15/x
3. Step 3: Cross multiply
   17,375.74x = 23,978.70 × 9,822.15
4. Step 4: Simplify right side
   17,375.74x = 235,522,388.21
5. Step 5: Solve for x
   x = 235,522,388.21/17,375.74
6. Step 6: Final answer
   x = 13,554.67