Finding the Fourth Proportional to 30,608.10, 42,242.00 and 17,860.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,608.10 : 42,242.00 = 17,860.32 : x
2. Step 2: Convert to fraction form
   30,608.10/42,242.00 = 17,860.32/x
3. Step 3: Cross multiply
   30,608.10x = 42,242.00 × 17,860.32
4. Step 4: Simplify right side
   30,608.10x = 754,455,548.14
5. Step 5: Solve for x
   x = 754,455,548.14/30,608.10
6. Step 6: Final answer
   x = 24,648.89