Finding the Fourth Proportional to 13,010.42, 17,954.35 and 7,042.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,010.42 : 17,954.35 = 7,042.04 : x
2. Step 2: Convert to fraction form
   13,010.42/17,954.35 = 7,042.04/x
3. Step 3: Cross multiply
   13,010.42x = 17,954.35 × 7,042.04
4. Step 4: Simplify right side
   13,010.42x = 126,435,233.27
5. Step 5: Solve for x
   x = 126,435,233.27/13,010.42
6. Step 6: Final answer
   x = 9,718.00