Finding the Fourth Proportional to 2,045,721.78, 3,068,472.18 and 625,778

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045,721.78 : 3,068,472.18 = 625,778 : x
2. Step 2: Convert to fraction form
   2,045,721.78/3,068,472.18 = 625,778/x
3. Step 3: Cross multiply
   2,045,721.78x = 3,068,472.18 × 625,778
4. Step 4: Simplify right side
   2,045,721.78x = 1,920,182,383,856.04
5. Step 5: Solve for x
   x = 1,920,182,383,856.04/2,045,721.78
6. Step 6: Final answer
   x = 938,633.20