Finding the Fourth Proportional to 2,160,763,309.77, 2,980,940,293.30 and 1,446,528,978.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,763,309.77 : 2,980,940,293.30 = 1,446,528,978.05 : x
2. Step 2: Convert to fraction form
   2,160,763,309.77/2,980,940,293.30 = 1,446,528,978.05/x
3. Step 3: Cross multiply
   2,160,763,309.77x = 2,980,940,293.30 × 1,446,528,978.05
4. Step 4: Simplify right side
   2,160,763,309.77x = 4,312,016,516,095,316,480
5. Step 5: Solve for x
   x = 4,312,016,516,095,316,480/2,160,763,309.77
6. Step 6: Final answer
   x = 1,995,598,729.67