Finding the Fourth Proportional to 13,066.79, 18,032.22 and 7,098.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066.79 : 18,032.22 = 7,098.56 : x
2. Step 2: Convert to fraction form
   13,066.79/18,032.22 = 7,098.56/x
3. Step 3: Cross multiply
   13,066.79x = 18,032.22 × 7,098.56
4. Step 4: Simplify right side
   13,066.79x = 128,002,795.60
5. Step 5: Solve for x
   x = 128,002,795.60/13,066.79
6. Step 6: Final answer
   x = 9,796.04