Finding the Fourth Proportional to 1,730.01, 2,591.40 and 806.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.01 : 2,591.40 = 806.37 : x
2. Step 2: Convert to fraction form
   1,730.01/2,591.40 = 806.37/x
3. Step 3: Cross multiply
   1,730.01x = 2,591.40 × 806.37
4. Step 4: Simplify right side
   1,730.01x = 2,089,627.22
5. Step 5: Solve for x
   x = 2,089,627.22/1,730.01
6. Step 6: Final answer
   x = 1,207.87