Finding the Fourth Proportional to 1,079.33, 1,617.76 and 462.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,079.33 : 1,617.76 = 462.71 : x
2. Step 2: Convert to fraction form
   1,079.33/1,617.76 = 462.71/x
3. Step 3: Cross multiply
   1,079.33x = 1,617.76 × 462.71
4. Step 4: Simplify right side
   1,079.33x = 748,558.35
5. Step 5: Solve for x
   x = 748,558.35/1,079.33
6. Step 6: Final answer
   x = 693.54