Finding the Fourth Proportional to 2,087,611,463.38, 2,880,915,208.61 and 1,229,323,488.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087,611,463.38 : 2,880,915,208.61 = 1,229,323,488.34 : x
2. Step 2: Convert to fraction form
   2,087,611,463.38/2,880,915,208.61 = 1,229,323,488.34/x
3. Step 3: Cross multiply
   2,087,611,463.38x = 2,880,915,208.61 × 1,229,323,488.34
4. Step 4: Simplify right side
   2,087,611,463.38x = 3,541,576,733,860,204,032
5. Step 5: Solve for x
   x = 3,541,576,733,860,204,032/2,087,611,463.38
6. Step 6: Final answer
   x = 1,696,473,120.59