Finding the Fourth Proportional to 1,679.52, 2,317.63 and 933.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,679.52 : 2,317.63 = 933.59 : x
2. Step 2: Convert to fraction form
   1,679.52/2,317.63 = 933.59/x
3. Step 3: Cross multiply
   1,679.52x = 2,317.63 × 933.59
4. Step 4: Simplify right side
   1,679.52x = 2,163,707.69
5. Step 5: Solve for x
   x = 2,163,707.69/1,679.52
6. Step 6: Final answer
   x = 1,288.29