Finding the Fourth Proportional to 50,716,228.64, 69,988,389.60 and 28,689,256

Step by Step Solution

1. Step 1: Write the proportion equation
   50,716,228.64 : 69,988,389.60 = 28,689,256 : x
2. Step 2: Convert to fraction form
   50,716,228.64/69,988,389.60 = 28,689,256/x
3. Step 3: Cross multiply
   50,716,228.64x = 69,988,389.60 × 28,689,256
4. Step 4: Simplify right side
   50,716,228.64x = 2,007,914,826,262,137.50
5. Step 5: Solve for x
   x = 2,007,914,826,262,137.50/50,716,228.64
6. Step 6: Final answer
   x = 39,591,169.93