Finding the Fourth Proportional to 1,937.50, 2,673.81 and 1,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,937.50 : 2,673.81 = 1,109.50 : x
2. Step 2: Convert to fraction form
   1,937.50/2,673.81 = 1,109.50/x
3. Step 3: Cross multiply
   1,937.50x = 2,673.81 × 1,109.50
4. Step 4: Simplify right side
   1,937.50x = 2,966,592.20
5. Step 5: Solve for x
   x = 2,966,592.20/1,937.50
6. Step 6: Final answer
   x = 1,531.14