Finding the Fourth Proportional to 30,611.15, 42,238.05 and 17,182.97

Step by Step Solution

1. Step 1: Write the proportion equation
   30,611.15 : 42,238.05 = 17,182.97 : x
2. Step 2: Convert to fraction form
   30,611.15/42,238.05 = 17,182.97/x
3. Step 3: Cross multiply
   30,611.15x = 42,238.05 × 17,182.97
4. Step 4: Simplify right side
   30,611.15x = 725,774,934.82
5. Step 5: Solve for x
   x = 725,774,934.82/30,611.15
6. Step 6: Final answer
   x = 23,709.50