Finding the Fourth Proportional to 2,333.93, 3,220.82 and 1,286.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.93 : 3,220.82 = 1,286.00 : x
2. Step 2: Convert to fraction form
   2,333.93/3,220.82 = 1,286.00/x
3. Step 3: Cross multiply
   2,333.93x = 3,220.82 × 1,286.00
4. Step 4: Simplify right side
   2,333.93x = 4,141,961.63
5. Step 5: Solve for x
   x = 4,141,961.63/2,333.93
6. Step 6: Final answer
   x = 1,774.67