Finding the Fourth Proportional to 22,987.98, 34,457.43 and 13,105.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,987.98 : 34,457.43 = 13,105.98 : x
2. Step 2: Convert to fraction form
   22,987.98/34,457.43 = 13,105.98/x
3. Step 3: Cross multiply
   22,987.98x = 34,457.43 × 13,105.98
4. Step 4: Simplify right side
   22,987.98x = 451,598,388.43
5. Step 5: Solve for x
   x = 451,598,388.43/22,987.98
6. Step 6: Final answer
   x = 19,644.98