Finding the Fourth Proportional to 2,584,584,564.27, 3,878,004,507.16 and 905,075,489.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584,584,564.27 : 3,878,004,507.16 = 905,075,489.09 : x
2. Step 2: Convert to fraction form
   2,584,584,564.27/3,878,004,507.16 = 905,075,489.09/x
3. Step 3: Cross multiply
   2,584,584,564.27x = 3,878,004,507.16 × 905,075,489.09
4. Step 4: Simplify right side
   2,584,584,564.27x = 3,509,886,826,021,933,056
5. Step 5: Solve for x
   x = 3,509,886,826,021,933,056/2,584,584,564.27
6. Step 6: Final answer
   x = 1,358,008,120.35