Finding the Fourth Proportional to 30,770.13, 42,462.78 and 17,341.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,770.13 : 42,462.78 = 17,341.88 : x
2. Step 2: Convert to fraction form
   30,770.13/42,462.78 = 17,341.88/x
3. Step 3: Cross multiply
   30,770.13x = 42,462.78 × 17,341.88
4. Step 4: Simplify right side
   30,770.13x = 736,384,222.91
5. Step 5: Solve for x
   x = 736,384,222.91/30,770.13
6. Step 6: Final answer
   x = 23,931.79