Finding the Fourth Proportional to 13,066.91, 18,032.37 and 7,098.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066.91 : 18,032.37 = 7,098.53 : x
2. Step 2: Convert to fraction form
   13,066.91/18,032.37 = 7,098.53/x
3. Step 3: Cross multiply
   13,066.91x = 18,032.37 × 7,098.53
4. Step 4: Simplify right side
   13,066.91x = 128,003,319.42
5. Step 5: Solve for x
   x = 128,003,319.42/13,066.91
6. Step 6: Final answer
   x = 9,795.99