Finding the Fourth Proportional to 13,034.54, 17,987.61 and 7,066.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,034.54 : 17,987.61 = 7,066.15 : x
2. Step 2: Convert to fraction form
   13,034.54/17,987.61 = 7,066.15/x
3. Step 3: Cross multiply
   13,034.54x = 17,987.61 × 7,066.15
4. Step 4: Simplify right side
   13,034.54x = 127,103,150.40
5. Step 5: Solve for x
   x = 127,103,150.40/13,034.54
6. Step 6: Final answer
   x = 9,751.26