Finding the Fourth Proportional to 1,256,436.27, 1,885,451.51 and 536,783.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256,436.27 : 1,885,451.51 = 536,783.39 : x
2. Step 2: Convert to fraction form
   1,256,436.27/1,885,451.51 = 536,783.39/x
3. Step 3: Cross multiply
   1,256,436.27x = 1,885,451.51 × 536,783.39
4. Step 4: Simplify right side
   1,256,436.27x = 1,012,079,053,218.42
5. Step 5: Solve for x
   x = 1,012,079,053,218.42/1,256,436.27
6. Step 6: Final answer
   x = 805,515.63