Finding the Fourth Proportional to 1,113.27, 1,666.82 and 562.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113.27 : 1,666.82 = 562.76 : x
2. Step 2: Convert to fraction form
   1,113.27/1,666.82 = 562.76/x
3. Step 3: Cross multiply
   1,113.27x = 1,666.82 × 562.76
4. Step 4: Simplify right side
   1,113.27x = 938,019.62
5. Step 5: Solve for x
   x = 938,019.62/1,113.27
6. Step 6: Final answer
   x = 842.58