Finding the Fourth Proportional to 50,113.05, 69,157.13 and 28,602.37

Step by Step Solution

1. Step 1: Write the proportion equation
   50,113.05 : 69,157.13 = 28,602.37 : x
2. Step 2: Convert to fraction form
   50,113.05/69,157.13 = 28,602.37/x
3. Step 3: Cross multiply
   50,113.05x = 69,157.13 × 28,602.37
4. Step 4: Simplify right side
   50,113.05x = 1,978,057,474.61
5. Step 5: Solve for x
   x = 1,978,057,474.61/50,113.05
6. Step 6: Final answer
   x = 39,471.90