Finding the Fourth Proportional to 1,903.91, 2,627.91 and 1,118.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903.91 : 2,627.91 = 1,118.48 : x
2. Step 2: Convert to fraction form
   1,903.91/2,627.91 = 1,118.48/x
3. Step 3: Cross multiply
   1,903.91x = 2,627.91 × 1,118.48
4. Step 4: Simplify right side
   1,903.91x = 2,939,271.35
5. Step 5: Solve for x
   x = 2,939,271.35/1,903.91
6. Step 6: Final answer
   x = 1,543.81