Finding the Fourth Proportional to 2,706,922.42, 4,060,386.71 and 813,663.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,706,922.42 : 4,060,386.71 = 813,663.86 : x
2. Step 2: Convert to fraction form
   2,706,922.42/4,060,386.71 = 813,663.86/x
3. Step 3: Cross multiply
   2,706,922.42x = 4,060,386.71 × 813,663.86
4. Step 4: Simplify right side
   2,706,922.42x = 3,303,789,911,363.78
5. Step 5: Solve for x
   x = 3,303,789,911,363.78/2,706,922.42
6. Step 6: Final answer
   x = 1,220,496.71