Finding the Fourth Proportional to 1,825.37, 2,519.06 and 1,117.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825.37 : 2,519.06 = 1,117.20 : x
2. Step 2: Convert to fraction form
   1,825.37/2,519.06 = 1,117.20/x
3. Step 3: Cross multiply
   1,825.37x = 2,519.06 × 1,117.20
4. Step 4: Simplify right side
   1,825.37x = 2,814,281.55
5. Step 5: Solve for x
   x = 2,814,281.55/1,825.37
6. Step 6: Final answer
   x = 1,541.76