Finding the Fourth Proportional to 30,528.02, 42,129.41 and 17,102.00

Step by Step Solution

1. Step 1: Write the proportion equation
   30,528.02 : 42,129.41 = 17,102.00 : x
2. Step 2: Convert to fraction form
   30,528.02/42,129.41 = 17,102.00/x
3. Step 3: Cross multiply
   30,528.02x = 42,129.41 × 17,102.00
4. Step 4: Simplify right side
   30,528.02x = 720,496,873.66
5. Step 5: Solve for x
   x = 720,496,873.66/30,528.02
6. Step 6: Final answer
   x = 23,601.17