Finding the Fourth Proportional to 1,373.31, 1,895.25 and 1,078.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.31 : 1,895.25 = 1,078.07 : x
2. Step 2: Convert to fraction form
   1,373.31/1,895.25 = 1,078.07/x
3. Step 3: Cross multiply
   1,373.31x = 1,895.25 × 1,078.07
4. Step 4: Simplify right side
   1,373.31x = 2,043,202.69
5. Step 5: Solve for x
   x = 2,043,202.69/1,373.31
6. Step 6: Final answer
   x = 1,487.79