Finding the Fourth Proportional to 10,356.62, 15,540.87 and 3,781.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,356.62 : 15,540.87 = 3,781.94 : x
2. Step 2: Convert to fraction form
   10,356.62/15,540.87 = 3,781.94/x
3. Step 3: Cross multiply
   10,356.62x = 15,540.87 × 3,781.94
4. Step 4: Simplify right side
   10,356.62x = 58,774,637.89
5. Step 5: Solve for x
   x = 58,774,637.89/10,356.62
6. Step 6: Final answer
   x = 5,675.08