Finding the Fourth Proportional to 30,766.32, 42,457.50 and 17,340.84

Step by Step Solution

1. Step 1: Write the proportion equation
   30,766.32 : 42,457.50 = 17,340.84 : x
2. Step 2: Convert to fraction form
   30,766.32/42,457.50 = 17,340.84/x
3. Step 3: Cross multiply
   30,766.32x = 42,457.50 × 17,340.84
4. Step 4: Simplify right side
   30,766.32x = 736,248,714.30
5. Step 5: Solve for x
   x = 736,248,714.30/30,766.32
6. Step 6: Final answer
   x = 23,930.35