Finding the Fourth Proportional to 25,173, 34,740.18 and 13,995.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,173 : 34,740.18 = 13,995.72 : x
2. Step 2: Convert to fraction form
   25,173/34,740.18 = 13,995.72/x
3. Step 3: Cross multiply
   25,173x = 34,740.18 × 13,995.72
4. Step 4: Simplify right side
   25,173x = 486,213,832.03
5. Step 5: Solve for x
   x = 486,213,832.03/25,173
6. Step 6: Final answer
   x = 19,314.89