Finding the Fourth Proportional to 2,805.02, 3,870.56 and 1,670.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,805.02 : 3,870.56 = 1,670.52 : x
2. Step 2: Convert to fraction form
   2,805.02/3,870.56 = 1,670.52/x
3. Step 3: Cross multiply
   2,805.02x = 3,870.56 × 1,670.52
4. Step 4: Simplify right side
   2,805.02x = 6,465,847.89
5. Step 5: Solve for x
   x = 6,465,847.89/2,805.02
6. Step 6: Final answer
   x = 2,305.10