Finding the Fourth Proportional to 50,311,132.56, 69,431,823 and 28,291,561.20

Step by Step Solution

1. Step 1: Write the proportion equation
   50,311,132.56 : 69,431,823 = 28,291,561.20 : x
2. Step 2: Convert to fraction form
   50,311,132.56/69,431,823 = 28,291,561.20/x
3. Step 3: Cross multiply
   50,311,132.56x = 69,431,823 × 28,291,561.20
4. Step 4: Simplify right side
   50,311,132.56x = 1,964,334,669,632,067.50
5. Step 5: Solve for x
   x = 1,964,334,669,632,067.50/50,311,132.56
6. Step 6: Final answer
   x = 39,043,737.83