Finding the Fourth Proportional to 13,066.02, 18,030.04 and 7,687.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066.02 : 18,030.04 = 7,687.59 : x
2. Step 2: Convert to fraction form
   13,066.02/18,030.04 = 7,687.59/x
3. Step 3: Cross multiply
   13,066.02x = 18,030.04 × 7,687.59
4. Step 4: Simplify right side
   13,066.02x = 138,607,576.12
5. Step 5: Solve for x
   x = 138,607,576.12/13,066.02
6. Step 6: Final answer
   x = 10,608.24