Finding the Fourth Proportional to 30,575.30, 42,195.94 and 17,147.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,575.30 : 42,195.94 = 17,147.42 : x
2. Step 2: Convert to fraction form
   30,575.30/42,195.94 = 17,147.42/x
3. Step 3: Cross multiply
   30,575.30x = 42,195.94 × 17,147.42
4. Step 4: Simplify right side
   30,575.30x = 723,551,505.47
5. Step 5: Solve for x
   x = 723,551,505.47/30,575.30
6. Step 6: Final answer
   x = 23,664.58