Finding the Fourth Proportional to 2,910,517.49, 3,987,428.33 and 2,801,429.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910,517.49 : 3,987,428.33 = 2,801,429.21 : x
2. Step 2: Convert to fraction form
   2,910,517.49/3,987,428.33 = 2,801,429.21/x
3. Step 3: Cross multiply
   2,910,517.49x = 3,987,428.33 × 2,801,429.21
4. Step 4: Simplify right side
   2,910,517.49x = 11,170,498,196,443.52
5. Step 5: Solve for x
   x = 11,170,498,196,443.52/2,910,517.49
6. Step 6: Final answer
   x = 3,837,976.66