Finding the Fourth Proportional to 2,584,584,566.98, 3,878,004,511.31 and 905,075,491.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584,584,566.98 : 3,878,004,511.31 = 905,075,491.84 : x
2. Step 2: Convert to fraction form
   2,584,584,566.98/3,878,004,511.31 = 905,075,491.84/x
3. Step 3: Cross multiply
   2,584,584,566.98x = 3,878,004,511.31 × 905,075,491.84
4. Step 4: Simplify right side
   2,584,584,566.98x = 3,509,886,840,417,416,704
5. Step 5: Solve for x
   x = 3,509,886,840,417,416,704/2,584,584,566.98
6. Step 6: Final answer
   x = 1,358,008,124.50