Finding the Fourth Proportional to 2,611,116,304.59, 3,603,428,936.97 and 1,421,731,401.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611,116,304.59 : 3,603,428,936.97 = 1,421,731,401.15 : x
2. Step 2: Convert to fraction form
   2,611,116,304.59/3,603,428,936.97 = 1,421,731,401.15/x
3. Step 3: Cross multiply
   2,611,116,304.59x = 3,603,428,936.97 × 1,421,731,401.15
4. Step 4: Simplify right side
   2,611,116,304.59x = 5,123,108,071,502,813,184
5. Step 5: Solve for x
   x = 5,123,108,071,502,813,184/2,611,116,304.59
6. Step 6: Final answer
   x = 1,962,037,486.61