Finding the Fourth Proportional to 2,990,222.83, 4,131,905.31 and 2,129,288.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990,222.83 : 4,131,905.31 = 2,129,288.41 : x
2. Step 2: Convert to fraction form
   2,990,222.83/4,131,905.31 = 2,129,288.41/x
3. Step 3: Cross multiply
   2,990,222.83x = 4,131,905.31 × 2,129,288.41
4. Step 4: Simplify right side
   2,990,222.83x = 8,798,018,087,800.46
5. Step 5: Solve for x
   x = 8,798,018,087,800.46/2,990,222.83
6. Step 6: Final answer
   x = 2,942,261.69