Finding the Fourth Proportional to 2,308.56, 3,462.72 and 577.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.56 : 3,462.72 = 577.08 : x
2. Step 2: Convert to fraction form
   2,308.56/3,462.72 = 577.08/x
3. Step 3: Cross multiply
   2,308.56x = 3,462.72 × 577.08
4. Step 4: Simplify right side
   2,308.56x = 1,998,266.46
5. Step 5: Solve for x
   x = 1,998,266.46/2,308.56
6. Step 6: Final answer
   x = 865.59