Finding the Fourth Proportional to 13,066.06, 18,028.82 and 7,762.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066.06 : 18,028.82 = 7,762.18 : x
2. Step 2: Convert to fraction form
   13,066.06/18,028.82 = 7,762.18/x
3. Step 3: Cross multiply
   13,066.06x = 18,028.82 × 7,762.18
4. Step 4: Simplify right side
   13,066.06x = 139,942,946.03
5. Step 5: Solve for x
   x = 139,942,946.03/13,066.06
6. Step 6: Final answer
   x = 10,710.42