Finding the Fourth Proportional to 3,688,498, 5,090,282.76 and 2,078,866

Step by Step Solution

1. Step 1: Write the proportion equation
   3,688,498 : 5,090,282.76 = 2,078,866 : x
2. Step 2: Convert to fraction form
   3,688,498/5,090,282.76 = 2,078,866/x
3. Step 3: Cross multiply
   3,688,498x = 5,090,282.76 × 2,078,866
4. Step 4: Simplify right side
   3,688,498x = 10,582,015,760,150.16
5. Step 5: Solve for x
   x = 10,582,015,760,150.16/3,688,498
6. Step 6: Final answer
   x = 2,868,922.73