Finding the Fourth Proportional to 1,034.52, 1,427.02 and 661.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.52 : 1,427.02 = 661.37 : x
2. Step 2: Convert to fraction form
   1,034.52/1,427.02 = 661.37/x
3. Step 3: Cross multiply
   1,034.52x = 1,427.02 × 661.37
4. Step 4: Simplify right side
   1,034.52x = 943,779.43
5. Step 5: Solve for x
   x = 943,779.43/1,034.52
6. Step 6: Final answer
   x = 912.29