Finding the Fourth Proportional to 30,462.88, 42,039.72 and 17,034.70

Step by Step Solution

1. Step 1: Write the proportion equation
   30,462.88 : 42,039.72 = 17,034.70 : x
2. Step 2: Convert to fraction form
   30,462.88/42,039.72 = 17,034.70/x
3. Step 3: Cross multiply
   30,462.88x = 42,039.72 × 17,034.70
4. Step 4: Simplify right side
   30,462.88x = 716,134,018.28
5. Step 5: Solve for x
   x = 716,134,018.28/30,462.88
6. Step 6: Final answer
   x = 23,508.41