Finding the Fourth Proportional to 30,461.69, 42,038.78 and 17,032.91

Step by Step Solution

1. Step 1: Write the proportion equation
   30,461.69 : 42,038.78 = 17,032.91 : x
2. Step 2: Convert to fraction form
   30,461.69/42,038.78 = 17,032.91/x
3. Step 3: Cross multiply
   30,461.69x = 42,038.78 × 17,032.91
4. Step 4: Simplify right side
   30,461.69x = 716,042,460.89
5. Step 5: Solve for x
   x = 716,042,460.89/30,461.69
6. Step 6: Final answer
   x = 23,506.33