Finding the Fourth Proportional to 3,650.88, 5,475.72 and 1,187.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,650.88 : 5,475.72 = 1,187.46 : x
2. Step 2: Convert to fraction form
   3,650.88/5,475.72 = 1,187.46/x
3. Step 3: Cross multiply
   3,650.88x = 5,475.72 × 1,187.46
4. Step 4: Simplify right side
   3,650.88x = 6,502,198.47
5. Step 5: Solve for x
   x = 6,502,198.47/3,650.88
6. Step 6: Final answer
   x = 1,780.99