Finding the Fourth Proportional to 1,372.00, 2,055.93 and 823.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.00 : 2,055.93 = 823.58 : x
2. Step 2: Convert to fraction form
   1,372.00/2,055.93 = 823.58/x
3. Step 3: Cross multiply
   1,372.00x = 2,055.93 × 823.58
4. Step 4: Simplify right side
   1,372.00x = 1,693,222.83
5. Step 5: Solve for x
   x = 1,693,222.83/1,372.00
6. Step 6: Final answer
   x = 1,234.13