Finding the Fourth Proportional to 2,052.00, 3,077.72 and 571.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,052.00 : 3,077.72 = 571.32 : x
2. Step 2: Convert to fraction form
   2,052.00/3,077.72 = 571.32/x
3. Step 3: Cross multiply
   2,052.00x = 3,077.72 × 571.32
4. Step 4: Simplify right side
   2,052.00x = 1,758,347.60
5. Step 5: Solve for x
   x = 1,758,347.60/2,052.00
6. Step 6: Final answer
   x = 856.90