Finding the Fourth Proportional to 13,034.04, 17,987.04 and 7,660.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,034.04 : 17,987.04 = 7,660.10 : x
2. Step 2: Convert to fraction form
   13,034.04/17,987.04 = 7,660.10/x
3. Step 3: Cross multiply
   13,034.04x = 17,987.04 × 7,660.10
4. Step 4: Simplify right side
   13,034.04x = 137,782,525.10
5. Step 5: Solve for x
   x = 137,782,525.10/13,034.04
6. Step 6: Final answer
   x = 10,570.98