Finding the Fourth Proportional to 1,034.02, 1,427.41 and 661.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.02 : 1,427.41 = 661.50 : x
2. Step 2: Convert to fraction form
   1,034.02/1,427.41 = 661.50/x
3. Step 3: Cross multiply
   1,034.02x = 1,427.41 × 661.50
4. Step 4: Simplify right side
   1,034.02x = 944,231.72
5. Step 5: Solve for x
   x = 944,231.72/1,034.02
6. Step 6: Final answer
   x = 913.17