Finding the Fourth Proportional to 1,395.58, 1,925.47 and 806.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.58 : 1,925.47 = 806.00 : x
2. Step 2: Convert to fraction form
   1,395.58/1,925.47 = 806.00/x
3. Step 3: Cross multiply
   1,395.58x = 1,925.47 × 806.00
4. Step 4: Simplify right side
   1,395.58x = 1,551,931.03
5. Step 5: Solve for x
   x = 1,551,931.03/1,395.58
6. Step 6: Final answer
   x = 1,112.03