Finding the Fourth Proportional to 23,142.99, 34,699.89 and 19,634.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,142.99 : 34,699.89 = 19,634.25 : x
2. Step 2: Convert to fraction form
   23,142.99/34,699.89 = 19,634.25/x
3. Step 3: Cross multiply
   23,142.99x = 34,699.89 × 19,634.25
4. Step 4: Simplify right side
   23,142.99x = 681,306,315.23
5. Step 5: Solve for x
   x = 681,306,315.23/23,142.99
6. Step 6: Final answer
   x = 29,438.99