Finding the Fourth Proportional to 10,204.89, 15,310.20 and 3,631.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,204.89 : 15,310.20 = 3,631.74 : x
2. Step 2: Convert to fraction form
   10,204.89/15,310.20 = 3,631.74/x
3. Step 3: Cross multiply
   10,204.89x = 15,310.20 × 3,631.74
4. Step 4: Simplify right side
   10,204.89x = 55,602,665.75
5. Step 5: Solve for x
   x = 55,602,665.75/10,204.89
6. Step 6: Final answer
   x = 5,448.63