Finding the Fourth Proportional to 22,525.05, 31,086.48 and 13,093

Step by Step Solution

1. Step 1: Write the proportion equation
   22,525.05 : 31,086.48 = 13,093 : x
2. Step 2: Convert to fraction form
   22,525.05/31,086.48 = 13,093/x
3. Step 3: Cross multiply
   22,525.05x = 31,086.48 × 13,093
4. Step 4: Simplify right side
   22,525.05x = 407,015,282.64
5. Step 5: Solve for x
   x = 407,015,282.64/22,525.05
6. Step 6: Final answer
   x = 18,069.45