Finding the Fourth Proportional to 23,172.42, 34,758.39 and 5,642.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,172.42 : 34,758.39 = 5,642.34 : x
2. Step 2: Convert to fraction form
   23,172.42/34,758.39 = 5,642.34/x
3. Step 3: Cross multiply
   23,172.42x = 34,758.39 × 5,642.34
4. Step 4: Simplify right side
   23,172.42x = 196,118,654.23
5. Step 5: Solve for x
   x = 196,118,654.23/23,172.42
6. Step 6: Final answer
   x = 8,463.45