Finding the Fourth Proportional to 1,825.12, 2,517.24 and 1,116.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825.12 : 2,517.24 = 1,116.37 : x
2. Step 2: Convert to fraction form
   1,825.12/2,517.24 = 1,116.37/x
3. Step 3: Cross multiply
   1,825.12x = 2,517.24 × 1,116.37
4. Step 4: Simplify right side
   1,825.12x = 2,810,171.22
5. Step 5: Solve for x
   x = 2,810,171.22/1,825.12
6. Step 6: Final answer
   x = 1,539.72