Finding the Fourth Proportional to 10,362.78, 15,540.93 and 3,787.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,362.78 : 15,540.93 = 3,787.47 : x
2. Step 2: Convert to fraction form
   10,362.78/15,540.93 = 3,787.47/x
3. Step 3: Cross multiply
   10,362.78x = 15,540.93 × 3,787.47
4. Step 4: Simplify right side
   10,362.78x = 58,860,806.15
5. Step 5: Solve for x
   x = 58,860,806.15/10,362.78
6. Step 6: Final answer
   x = 5,680.02