Finding the Fourth Proportional to 2,123,217.30, 3,178,605.15 and 1,874,385.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,217.30 : 3,178,605.15 = 1,874,385.30 : x
2. Step 2: Convert to fraction form
   2,123,217.30/3,178,605.15 = 1,874,385.30/x
3. Step 3: Cross multiply
   2,123,217.30x = 3,178,605.15 × 1,874,385.30
4. Step 4: Simplify right side
   2,123,217.30x = 5,957,930,767,664.30
5. Step 5: Solve for x
   x = 5,957,930,767,664.30/2,123,217.30
6. Step 6: Final answer
   x = 2,806,086.20