Finding the Fourth Proportional to 1,730.89, 2,387.37 and 1,100.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.89 : 2,387.37 = 1,100.85 : x
2. Step 2: Convert to fraction form
   1,730.89/2,387.37 = 1,100.85/x
3. Step 3: Cross multiply
   1,730.89x = 2,387.37 × 1,100.85
4. Step 4: Simplify right side
   1,730.89x = 2,628,136.26
5. Step 5: Solve for x
   x = 2,628,136.26/1,730.89
6. Step 6: Final answer
   x = 1,518.37