Finding the Fourth Proportional to 93,410,046.72, 140,128,441.56 and 28,719,282.78

Step by Step Solution

1. Step 1: Write the proportion equation
   93,410,046.72 : 140,128,441.56 = 28,719,282.78 : x
2. Step 2: Convert to fraction form
   93,410,046.72/140,128,441.56 = 28,719,282.78/x
3. Step 3: Cross multiply
   93,410,046.72x = 140,128,441.56 × 28,719,282.78
4. Step 4: Simplify right side
   93,410,046.72x = 4,024,388,338,682,344.50
5. Step 5: Solve for x
   x = 4,024,388,338,682,344.50/93,410,046.72
6. Step 6: Final answer
   x = 43,083,035.28