Finding the Fourth Proportional to 30,505.72, 42,097.42 and 17,076.76

Step by Step Solution

1. Step 1: Write the proportion equation
   30,505.72 : 42,097.42 = 17,076.76 : x
2. Step 2: Convert to fraction form
   30,505.72/42,097.42 = 17,076.76/x
3. Step 3: Cross multiply
   30,505.72x = 42,097.42 × 17,076.76
4. Step 4: Simplify right side
   30,505.72x = 718,887,537.96
5. Step 5: Solve for x
   x = 718,887,537.96/30,505.72
6. Step 6: Final answer
   x = 23,565.66