Finding the Fourth Proportional to 2,057.00, 3,085.63 and 670.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.00 : 3,085.63 = 670.53 : x
2. Step 2: Convert to fraction form
   2,057.00/3,085.63 = 670.53/x
3. Step 3: Cross multiply
   2,057.00x = 3,085.63 × 670.53
4. Step 4: Simplify right side
   2,057.00x = 2,069,005.81
5. Step 5: Solve for x
   x = 2,069,005.81/2,057.00
6. Step 6: Final answer
   x = 1,005.84