Finding the Fourth Proportional to 17,978.36, 24,810.15 and 10,426.14

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.36 : 24,810.15 = 10,426.14 : x
2. Step 2: Convert to fraction form
   17,978.36/24,810.15 = 10,426.14/x
3. Step 3: Cross multiply
   17,978.36x = 24,810.15 × 10,426.14
4. Step 4: Simplify right side
   17,978.36x = 258,674,147.55
5. Step 5: Solve for x
   x = 258,674,147.55/17,978.36
6. Step 6: Final answer
   x = 14,388.09