Finding the Fourth Proportional to 30,533.02, 42,138.16 and 17,104.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,533.02 : 42,138.16 = 17,104.10 : x
2. Step 2: Convert to fraction form
   30,533.02/42,138.16 = 17,104.10/x
3. Step 3: Cross multiply
   30,533.02x = 42,138.16 × 17,104.10
4. Step 4: Simplify right side
   30,533.02x = 720,735,049.00
5. Step 5: Solve for x
   x = 720,735,049.00/30,533.02
6. Step 6: Final answer
   x = 23,605.10