Finding the Fourth Proportional to 13,499.29, 20,255.77 and 9,107.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,499.29 : 20,255.77 = 9,107.52 : x
2. Step 2: Convert to fraction form
   13,499.29/20,255.77 = 9,107.52/x
3. Step 3: Cross multiply
   13,499.29x = 20,255.77 × 9,107.52
4. Step 4: Simplify right side
   13,499.29x = 184,479,881.03
5. Step 5: Solve for x
   x = 184,479,881.03/13,499.29
6. Step 6: Final answer
   x = 13,665.89