Finding the Fourth Proportional to 3,683.31, 5,084.45 and 2,505.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.31 : 5,084.45 = 2,505.11 : x
2. Step 2: Convert to fraction form
   3,683.31/5,084.45 = 2,505.11/x
3. Step 3: Cross multiply
   3,683.31x = 5,084.45 × 2,505.11
4. Step 4: Simplify right side
   3,683.31x = 12,737,068.59
5. Step 5: Solve for x
   x = 12,737,068.59/3,683.31
6. Step 6: Final answer
   x = 3,458.05