Finding the Fourth Proportional to 2,334.25, 3,221.88 and 1,378.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,334.25 : 3,221.88 = 1,378.00 : x
2. Step 2: Convert to fraction form
   2,334.25/3,221.88 = 1,378.00/x
3. Step 3: Cross multiply
   2,334.25x = 3,221.88 × 1,378.00
4. Step 4: Simplify right side
   2,334.25x = 4,439,734.53
5. Step 5: Solve for x
   x = 4,439,734.53/2,334.25
6. Step 6: Final answer
   x = 1,902.00