Finding the Fourth Proportional to 2,433.15, 3,357.72 and 1,385.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,433.15 : 3,357.72 = 1,385.19 : x
2. Step 2: Convert to fraction form
   2,433.15/3,357.72 = 1,385.19/x
3. Step 3: Cross multiply
   2,433.15x = 3,357.72 × 1,385.19
4. Step 4: Simplify right side
   2,433.15x = 4,651,080.17
5. Step 5: Solve for x
   x = 4,651,080.17/2,433.15
6. Step 6: Final answer
   x = 1,911.55