Finding the Fourth Proportional to 1,617.59, 2,427.46 and 693.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617.59 : 2,427.46 = 693.34 : x
2. Step 2: Convert to fraction form
   1,617.59/2,427.46 = 693.34/x
3. Step 3: Cross multiply
   1,617.59x = 2,427.46 × 693.34
4. Step 4: Simplify right side
   1,617.59x = 1,683,047.31
5. Step 5: Solve for x
   x = 1,683,047.31/1,617.59
6. Step 6: Final answer
   x = 1,040.46