Finding the Fourth Proportional to 2,333.06, 3,219.51 and 1,285.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.06 : 3,219.51 = 1,285.10 : x
2. Step 2: Convert to fraction form
   2,333.06/3,219.51 = 1,285.10/x
3. Step 3: Cross multiply
   2,333.06x = 3,219.51 × 1,285.10
4. Step 4: Simplify right side
   2,333.06x = 4,137,392.30
5. Step 5: Solve for x
   x = 4,137,392.30/2,333.06
6. Step 6: Final answer
   x = 1,773.38