Finding the Fourth Proportional to 50,309,558.72, 69,420,190.56 and 28,279,943.36

Step by Step Solution

1. Step 1: Write the proportion equation
   50,309,558.72 : 69,420,190.56 = 28,279,943.36 : x
2. Step 2: Convert to fraction form
   50,309,558.72/69,420,190.56 = 28,279,943.36/x
3. Step 3: Cross multiply
   50,309,558.72x = 69,420,190.56 × 28,279,943.36
4. Step 4: Simplify right side
   50,309,558.72x = 1,963,199,057,077,206.75
5. Step 5: Solve for x
   x = 1,963,199,057,077,206.75/50,309,558.72
6. Step 6: Final answer
   x = 39,022,386.74