Finding the Fourth Proportional to 1,373.26, 1,895.46 and 1,107.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.26 : 1,895.46 = 1,107.58 : x
2. Step 2: Convert to fraction form
   1,373.26/1,895.46 = 1,107.58/x
3. Step 3: Cross multiply
   1,373.26x = 1,895.46 × 1,107.58
4. Step 4: Simplify right side
   1,373.26x = 2,099,373.59
5. Step 5: Solve for x
   x = 2,099,373.59/1,373.26
6. Step 6: Final answer
   x = 1,528.75