Finding the Fourth Proportional to 1,034.72, 1,427.90 and 562.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.72 : 1,427.90 = 562.62 : x
2. Step 2: Convert to fraction form
   1,034.72/1,427.90 = 562.62/x
3. Step 3: Cross multiply
   1,034.72x = 1,427.90 × 562.62
4. Step 4: Simplify right side
   1,034.72x = 803,365.10
5. Step 5: Solve for x
   x = 803,365.10/1,034.72
6. Step 6: Final answer
   x = 776.41