Finding the Fourth Proportional to 2,015,868,983.13, 2,781,757,142.51 and 1,123,756,248.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,868,983.13 : 2,781,757,142.51 = 1,123,756,248.26 : x
2. Step 2: Convert to fraction form
   2,015,868,983.13/2,781,757,142.51 = 1,123,756,248.26/x
3. Step 3: Cross multiply
   2,015,868,983.13x = 2,781,757,142.51 × 1,123,756,248.26
4. Step 4: Simplify right side
   2,015,868,983.13x = 3,126,016,970,047,259,648
5. Step 5: Solve for x
   x = 3,126,016,970,047,259,648/2,015,868,983.13
6. Step 6: Final answer
   x = 1,550,704,433.77