Finding the Fourth Proportional to 2,015,949,729.57, 3,025,008,737.63 and 1,942,572,342.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,949,729.57 : 3,025,008,737.63 = 1,942,572,342.09 : x
2. Step 2: Convert to fraction form
   2,015,949,729.57/3,025,008,737.63 = 1,942,572,342.09/x
3. Step 3: Cross multiply
   2,015,949,729.57x = 3,025,008,737.63 × 1,942,572,342.09
4. Step 4: Simplify right side
   2,015,949,729.57x = 5,876,298,308,320,472,064
5. Step 5: Solve for x
   x = 5,876,298,308,320,472,064/2,015,949,729.57
6. Step 6: Final answer
   x = 2,914,903,195.32