Finding the Fourth Proportional to 2,906,320, 4,360,180 and 911,776

Step by Step Solution

1. Step 1: Write the proportion equation
   2,906,320 : 4,360,180 = 911,776 : x
2. Step 2: Convert to fraction form
   2,906,320/4,360,180 = 911,776/x
3. Step 3: Cross multiply
   2,906,320x = 4,360,180 × 911,776
4. Step 4: Simplify right side
   2,906,320x = 3,975,507,479,680
5. Step 5: Solve for x
   x = 3,975,507,479,680/2,906,320
6. Step 6: Final answer
   x = 1,367,883.61