Finding the Fourth Proportional to 13,484.50, 20,233.57 and 9,092.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,484.50 : 20,233.57 = 9,092.72 : x
2. Step 2: Convert to fraction form
   13,484.50/20,233.57 = 9,092.72/x
3. Step 3: Cross multiply
   13,484.50x = 20,233.57 × 9,092.72
4. Step 4: Simplify right side
   13,484.50x = 183,978,214.46
5. Step 5: Solve for x
   x = 183,978,214.46/13,484.50
6. Step 6: Final answer
   x = 13,643.68