Finding the Fourth Proportional to 2,230,702.76, 3,078,648.78 and 1,264,144.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,230,702.76 : 3,078,648.78 = 1,264,144.34 : x
2. Step 2: Convert to fraction form
   2,230,702.76/3,078,648.78 = 1,264,144.34/x
3. Step 3: Cross multiply
   2,230,702.76x = 3,078,648.78 × 1,264,144.34
4. Step 4: Simplify right side
   2,230,702.76x = 3,891,856,430,084.91
5. Step 5: Solve for x
   x = 3,891,856,430,084.91/2,230,702.76
6. Step 6: Final answer
   x = 1,744,677.28