Finding the Fourth Proportional to 1,141.56, 1,710.99 and 556.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.56 : 1,710.99 = 556.83 : x
2. Step 2: Convert to fraction form
   1,141.56/1,710.99 = 556.83/x
3. Step 3: Cross multiply
   1,141.56x = 1,710.99 × 556.83
4. Step 4: Simplify right side
   1,141.56x = 952,730.56
5. Step 5: Solve for x
   x = 952,730.56/1,141.56
6. Step 6: Final answer
   x = 834.59