Finding the Fourth Proportional to 30,562.05, 42,175.56 and 17,133.30

Step by Step Solution

1. Step 1: Write the proportion equation
   30,562.05 : 42,175.56 = 17,133.30 : x
2. Step 2: Convert to fraction form
   30,562.05/42,175.56 = 17,133.30/x
3. Step 3: Cross multiply
   30,562.05x = 42,175.56 × 17,133.30
4. Step 4: Simplify right side
   30,562.05x = 722,606,522.15
5. Step 5: Solve for x
   x = 722,606,522.15/30,562.05
6. Step 6: Final answer
   x = 23,643.92