Finding the Fourth Proportional to 10,123.79, 15,187.84 and 3,550.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,123.79 : 15,187.84 = 3,550.37 : x
2. Step 2: Convert to fraction form
   10,123.79/15,187.84 = 3,550.37/x
3. Step 3: Cross multiply
   10,123.79x = 15,187.84 × 3,550.37
4. Step 4: Simplify right side
   10,123.79x = 53,922,357.81
5. Step 5: Solve for x
   x = 53,922,357.81/10,123.79
6. Step 6: Final answer
   x = 5,326.30