Finding the Fourth Proportional to 27,059.69, 37,337.81 and 15,123.12

Step by Step Solution

1. Step 1: Write the proportion equation
   27,059.69 : 37,337.81 = 15,123.12 : x
2. Step 2: Convert to fraction form
   27,059.69/37,337.81 = 15,123.12/x
3. Step 3: Cross multiply
   27,059.69x = 37,337.81 × 15,123.12
4. Step 4: Simplify right side
   27,059.69x = 564,664,105.55
5. Step 5: Solve for x
   x = 564,664,105.55/27,059.69
6. Step 6: Final answer
   x = 20,867.36