Finding the Fourth Proportional to 10,123.84, 15,185.86 and 3,550.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,123.84 : 15,185.86 = 3,550.18 : x
2. Step 2: Convert to fraction form
   10,123.84/15,185.86 = 3,550.18/x
3. Step 3: Cross multiply
   10,123.84x = 15,185.86 × 3,550.18
4. Step 4: Simplify right side
   10,123.84x = 53,912,536.45
5. Step 5: Solve for x
   x = 53,912,536.45/10,123.84
6. Step 6: Final answer
   x = 5,325.31