Finding the Fourth Proportional to 30,821.68, 42,532.86 and 17,393.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,821.68 : 42,532.86 = 17,393.32 : x
2. Step 2: Convert to fraction form
   30,821.68/42,532.86 = 17,393.32/x
3. Step 3: Cross multiply
   30,821.68x = 42,532.86 × 17,393.32
4. Step 4: Simplify right side
   30,821.68x = 739,787,644.50
5. Step 5: Solve for x
   x = 739,787,644.50/30,821.68
6. Step 6: Final answer
   x = 24,002.18