Finding the Fourth Proportional to 2,649.47, 3,974.52 and 1,188.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649.47 : 3,974.52 = 1,188.41 : x
2. Step 2: Convert to fraction form
   2,649.47/3,974.52 = 1,188.41/x
3. Step 3: Cross multiply
   2,649.47x = 3,974.52 × 1,188.41
4. Step 4: Simplify right side
   2,649.47x = 4,723,359.31
5. Step 5: Solve for x
   x = 4,723,359.31/2,649.47
6. Step 6: Final answer
   x = 1,782.76