Finding the Fourth Proportional to 30,462.89, 42,039 and 17,034.91

Step by Step Solution

1. Step 1: Write the proportion equation
   30,462.89 : 42,039 = 17,034.91 : x
2. Step 2: Convert to fraction form
   30,462.89/42,039 = 17,034.91/x
3. Step 3: Cross multiply
   30,462.89x = 42,039 × 17,034.91
4. Step 4: Simplify right side
   30,462.89x = 716,130,476.39
5. Step 5: Solve for x
   x = 716,130,476.39/30,462.89
6. Step 6: Final answer
   x = 23,508.29