Finding the Fourth Proportional to 13,114.53, 18,089.06 and 7,805.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,114.53 : 18,089.06 = 7,805.25 : x
2. Step 2: Convert to fraction form
   13,114.53/18,089.06 = 7,805.25/x
3. Step 3: Cross multiply
   13,114.53x = 18,089.06 × 7,805.25
4. Step 4: Simplify right side
   13,114.53x = 141,189,596.54
5. Step 5: Solve for x
   x = 141,189,596.54/13,114.53
6. Step 6: Final answer
   x = 10,765.89