Finding the Fourth Proportional to 10,123.32, 15,178.68 and 3,550.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,123.32 : 15,178.68 = 3,550.14 : x
2. Step 2: Convert to fraction form
   10,123.32/15,178.68 = 3,550.14/x
3. Step 3: Cross multiply
   10,123.32x = 15,178.68 × 3,550.14
4. Step 4: Simplify right side
   10,123.32x = 53,886,439.02
5. Step 5: Solve for x
   x = 53,886,439.02/10,123.32
6. Step 6: Final answer
   x = 5,323.00