Finding the Fourth Proportional to 13,042.59, 17,998.63 and 7,074.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,042.59 : 17,998.63 = 7,074.10 : x
2. Step 2: Convert to fraction form
   13,042.59/17,998.63 = 7,074.10/x
3. Step 3: Cross multiply
   13,042.59x = 17,998.63 × 7,074.10
4. Step 4: Simplify right side
   13,042.59x = 127,324,108.48
5. Step 5: Solve for x
   x = 127,324,108.48/13,042.59
6. Step 6: Final answer
   x = 9,762.18