Finding the Fourth Proportional to 2,648,759,245.06, 3,973,006,795.59 and 990,544,621.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,759,245.06 : 3,973,006,795.59 = 990,544,621.06 : x
2. Step 2: Convert to fraction form
   2,648,759,245.06/3,973,006,795.59 = 990,544,621.06/x
3. Step 3: Cross multiply
   2,648,759,245.06x = 3,973,006,795.59 × 990,544,621.06
4. Step 4: Simplify right side
   2,648,759,245.06x = 3,935,440,510,806,501,376
5. Step 5: Solve for x
   x = 3,935,440,510,806,501,376/2,648,759,245.06
6. Step 6: Final answer
   x = 1,485,767,541.22