Finding the Fourth Proportional to 59,442,076.80, 89,163,115.20 and 59,442,076.80

Step by Step Solution

1. Step 1: Write the proportion equation
   59,442,076.80 : 89,163,115.20 = 59,442,076.80 : x
2. Step 2: Convert to fraction form
   59,442,076.80/89,163,115.20 = 59,442,076.80/x
3. Step 3: Cross multiply
   59,442,076.80x = 89,163,115.20 × 59,442,076.80
4. Step 4: Simplify right side
   59,442,076.80x = 5,300,040,741,445,647
5. Step 5: Solve for x
   x = 5,300,040,741,445,647/59,442,076.80
6. Step 6: Final answer
   x = 89,163,115.20