Finding the Fourth Proportional to 13,034.70, 17,987.85 and 7,066.35

Step by Step Solution

1. Step 1: Write the proportion equation
   13,034.70 : 17,987.85 = 7,066.35 : x
2. Step 2: Convert to fraction form
   13,034.70/17,987.85 = 7,066.35/x
3. Step 3: Cross multiply
   13,034.70x = 17,987.85 × 7,066.35
4. Step 4: Simplify right side
   13,034.70x = 127,108,443.85
5. Step 5: Solve for x
   x = 127,108,443.85/13,034.70
6. Step 6: Final answer
   x = 9,751.54