Finding the Fourth Proportional to 30,784, 42,486.06 and 17,357.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,784 : 42,486.06 = 17,357.98 : x
2. Step 2: Convert to fraction form
   30,784/42,486.06 = 17,357.98/x
3. Step 3: Cross multiply
   30,784x = 42,486.06 × 17,357.98
4. Step 4: Simplify right side
   30,784x = 737,472,179.76
5. Step 5: Solve for x
   x = 737,472,179.76/30,784
6. Step 6: Final answer
   x = 23,956.35