Finding the Fourth Proportional to 2,188,021.94, 3,280,359.72 and 1,807,746.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,021.94 : 3,280,359.72 = 1,807,746.38 : x
2. Step 2: Convert to fraction form
   2,188,021.94/3,280,359.72 = 1,807,746.38/x
3. Step 3: Cross multiply
   2,188,021.94x = 3,280,359.72 × 1,807,746.38
4. Step 4: Simplify right side
   2,188,021.94x = 5,930,058,408,927.81
5. Step 5: Solve for x
   x = 5,930,058,408,927.81/2,188,021.94
6. Step 6: Final answer
   x = 2,710,237.18