Finding the Fourth Proportional to 1,171.02, 1,615.92 and 673.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171.02 : 1,615.92 = 673.59 : x
2. Step 2: Convert to fraction form
   1,171.02/1,615.92 = 673.59/x
3. Step 3: Cross multiply
   1,171.02x = 1,615.92 × 673.59
4. Step 4: Simplify right side
   1,171.02x = 1,088,467.55
5. Step 5: Solve for x
   x = 1,088,467.55/1,171.02
6. Step 6: Final answer
   x = 929.50