Finding the Fourth Proportional to 3,700.78, 5,552.82 and 1,969

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700.78 : 5,552.82 = 1,969 : x
2. Step 2: Convert to fraction form
   3,700.78/5,552.82 = 1,969/x
3. Step 3: Cross multiply
   3,700.78x = 5,552.82 × 1,969
4. Step 4: Simplify right side
   3,700.78x = 10,933,502.58
5. Step 5: Solve for x
   x = 10,933,502.58/3,700.78
6. Step 6: Final answer
   x = 2,954.38