Finding the Fourth Proportional to 2,779,128,238.72, 3,835,263,607.37 and 1,509,022,750.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,779,128,238.72 : 3,835,263,607.37 = 1,509,022,750.55 : x
2. Step 2: Convert to fraction form
   2,779,128,238.72/3,835,263,607.37 = 1,509,022,750.55/x
3. Step 3: Cross multiply
   2,779,128,238.72x = 3,835,263,607.37 × 1,509,022,750.55
4. Step 4: Simplify right side
   2,779,128,238.72x = 5,787,500,037,886,965,760
5. Step 5: Solve for x
   x = 5,787,500,037,886,965,760/2,779,128,238.72
6. Step 6: Final answer
   x = 2,082,487,579.11