Finding the Fourth Proportional to 13,042.75, 17,998.86 and 7,074.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,042.75 : 17,998.86 = 7,074.29 : x
2. Step 2: Convert to fraction form
   13,042.75/17,998.86 = 7,074.29/x
3. Step 3: Cross multiply
   13,042.75x = 17,998.86 × 7,074.29
4. Step 4: Simplify right side
   13,042.75x = 127,329,085.80
5. Step 5: Solve for x
   x = 127,329,085.80/13,042.75
6. Step 6: Final answer
   x = 9,762.44