Finding the Fourth Proportional to 1,816.86, 2,726.73 and 722.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,816.86 : 2,726.73 = 722.00 : x
2. Step 2: Convert to fraction form
   1,816.86/2,726.73 = 722.00/x
3. Step 3: Cross multiply
   1,816.86x = 2,726.73 × 722.00
4. Step 4: Simplify right side
   1,816.86x = 1,968,685.43
5. Step 5: Solve for x
   x = 1,968,685.43/1,816.86
6. Step 6: Final answer
   x = 1,083.56