Finding the Fourth Proportional to 5,726,143.31, 8,588,990.59 and 1,939,626.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,726,143.31 : 8,588,990.59 = 1,939,626.05 : x
2. Step 2: Convert to fraction form
   5,726,143.31/8,588,990.59 = 1,939,626.05/x
3. Step 3: Cross multiply
   5,726,143.31x = 8,588,990.59 × 1,939,626.05
4. Step 4: Simplify right side
   5,726,143.31x = 16,659,429,843,774.85
5. Step 5: Solve for x
   x = 16,659,429,843,774.85/5,726,143.31
6. Step 6: Final answer
   x = 2,909,363.07