Finding the Fourth Proportional to 2,380.01, 3,284.42 and 1,385.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.01 : 3,284.42 = 1,385.02 : x
2. Step 2: Convert to fraction form
   2,380.01/3,284.42 = 1,385.02/x
3. Step 3: Cross multiply
   2,380.01x = 3,284.42 × 1,385.02
4. Step 4: Simplify right side
   2,380.01x = 4,548,984.57
5. Step 5: Solve for x
   x = 4,548,984.57/2,380.01
6. Step 6: Final answer
   x = 1,911.33