Finding the Fourth Proportional to 13,066.05, 18,031.48 and 7,098.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066.05 : 18,031.48 = 7,098.06 : x
2. Step 2: Convert to fraction form
   13,066.05/18,031.48 = 7,098.06/x
3. Step 3: Cross multiply
   13,066.05x = 18,031.48 × 7,098.06
4. Step 4: Simplify right side
   13,066.05x = 127,988,419.03
5. Step 5: Solve for x
   x = 127,988,419.03/13,066.05
6. Step 6: Final answer
   x = 9,795.50