Finding the Fourth Proportional to 42,127,063.20, 59,147,949.60 and 42,127,063.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,127,063.20 : 59,147,949.60 = 42,127,063.20 : x
2. Step 2: Convert to fraction form
   42,127,063.20/59,147,949.60 = 42,127,063.20/x
3. Step 3: Cross multiply
   42,127,063.20x = 59,147,949.60 × 42,127,063.20
4. Step 4: Simplify right side
   42,127,063.20x = 2,491,729,410,949,615
5. Step 5: Solve for x
   x = 2,491,729,410,949,615/42,127,063.20
6. Step 6: Final answer
   x = 59,147,949.60