Finding the Fourth Proportional to 2,333.25, 3,219.93 and 1,285.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.25 : 3,219.93 = 1,285.29 : x
2. Step 2: Convert to fraction form
   2,333.25/3,219.93 = 1,285.29/x
3. Step 3: Cross multiply
   2,333.25x = 3,219.93 × 1,285.29
4. Step 4: Simplify right side
   2,333.25x = 4,138,543.83
5. Step 5: Solve for x
   x = 4,138,543.83/2,333.25
6. Step 6: Final answer
   x = 1,773.72