Finding the Fourth Proportional to 17,431.01, 24,054.73 and 9,878.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,431.01 : 24,054.73 = 9,878.78 : x
2. Step 2: Convert to fraction form
   17,431.01/24,054.73 = 9,878.78/x
3. Step 3: Cross multiply
   17,431.01x = 24,054.73 × 9,878.78
4. Step 4: Simplify right side
   17,431.01x = 237,631,421.07
5. Step 5: Solve for x
   x = 237,631,421.07/17,431.01
6. Step 6: Final answer
   x = 13,632.68