Finding the Fourth Proportional to 1,501.55, 2,247.52 and 806.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.55 : 2,247.52 = 806.51 : x
2. Step 2: Convert to fraction form
   1,501.55/2,247.52 = 806.51/x
3. Step 3: Cross multiply
   1,501.55x = 2,247.52 × 806.51
4. Step 4: Simplify right side
   1,501.55x = 1,812,647.36
5. Step 5: Solve for x
   x = 1,812,647.36/1,501.55
6. Step 6: Final answer
   x = 1,207.18