Finding the Fourth Proportional to 2,380,256.49, 3,569,626.56 and 782,451.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380,256.49 : 3,569,626.56 = 782,451.30 : x
2. Step 2: Convert to fraction form
   2,380,256.49/3,569,626.56 = 782,451.30/x
3. Step 3: Cross multiply
   2,380,256.49x = 3,569,626.56 × 782,451.30
4. Step 4: Simplify right side
   2,380,256.49x = 2,793,058,942,386.53
5. Step 5: Solve for x
   x = 2,793,058,942,386.53/2,380,256.49
6. Step 6: Final answer
   x = 1,173,427.72