Finding the Fourth Proportional to 50,099.50, 69,138.12 and 27,438.10

Step by Step Solution

1. Step 1: Write the proportion equation
   50,099.50 : 69,138.12 = 27,438.10 : x
2. Step 2: Convert to fraction form
   50,099.50/69,138.12 = 27,438.10/x
3. Step 3: Cross multiply
   50,099.50x = 69,138.12 × 27,438.10
4. Step 4: Simplify right side
   50,099.50x = 1,897,018,650.37
5. Step 5: Solve for x
   x = 1,897,018,650.37/50,099.50
6. Step 6: Final answer
   x = 37,865.02