Finding the Fourth Proportional to 2,140,780.83, 3,213,911.55 and 1,839,105.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,780.83 : 3,213,911.55 = 1,839,105.03 : x
2. Step 2: Convert to fraction form
   2,140,780.83/3,213,911.55 = 1,839,105.03/x
3. Step 3: Cross multiply
   2,140,780.83x = 3,213,911.55 × 1,839,105.03
4. Step 4: Simplify right side
   2,140,780.83x = 5,910,720,872,315.01
5. Step 5: Solve for x
   x = 5,910,720,872,315.01/2,140,780.83
6. Step 6: Final answer
   x = 2,761,011.68