Finding the Fourth Proportional to 2,272,479.20, 3,136,086.42 and 1,253,949.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272,479.20 : 3,136,086.42 = 1,253,949.56 : x
2. Step 2: Convert to fraction form
   2,272,479.20/3,136,086.42 = 1,253,949.56/x
3. Step 3: Cross multiply
   2,272,479.20x = 3,136,086.42 × 1,253,949.56
4. Step 4: Simplify right side
   2,272,479.20x = 3,932,494,186,480.98
5. Step 5: Solve for x
   x = 3,932,494,186,480.98/2,272,479.20
6. Step 6: Final answer
   x = 1,730,486.33