Finding the Fourth Proportional to 1,667.01, 2,500.55 and 845.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.01 : 2,500.55 = 845.67 : x
2. Step 2: Convert to fraction form
   1,667.01/2,500.55 = 845.67/x
3. Step 3: Cross multiply
   1,667.01x = 2,500.55 × 845.67
4. Step 4: Simplify right side
   1,667.01x = 2,114,635.89
5. Step 5: Solve for x
   x = 2,114,635.89/1,667.01
6. Step 6: Final answer
   x = 1,268.52