Finding the Fourth Proportional to 2,939,494.05, 4,408,103.83 and 1,142,140.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,939,494.05 : 4,408,103.83 = 1,142,140.90 : x
2. Step 2: Convert to fraction form
   2,939,494.05/4,408,103.83 = 1,142,140.90/x
3. Step 3: Cross multiply
   2,939,494.05x = 4,408,103.83 × 1,142,140.90
4. Step 4: Simplify right side
   2,939,494.05x = 5,034,675,669,978.94
5. Step 5: Solve for x
   x = 5,034,675,669,978.94/2,939,494.05
6. Step 6: Final answer
   x = 1,712,769.47