Finding the Fourth Proportional to 933.21, 1,288.35 and 743.82

Step by Step Solution

1. Step 1: Write the proportion equation
   933.21 : 1,288.35 = 743.82 : x
2. Step 2: Convert to fraction form
   933.21/1,288.35 = 743.82/x
3. Step 3: Cross multiply
   933.21x = 1,288.35 × 743.82
4. Step 4: Simplify right side
   933.21x = 958,300.50
5. Step 5: Solve for x
   x = 958,300.50/933.21
6. Step 6: Final answer
   x = 1,026.89