Finding the Fourth Proportional to 35,371.72, 53,039.32 and 10,408.53

Step by Step Solution

1. Step 1: Write the proportion equation
   35,371.72 : 53,039.32 = 10,408.53 : x
2. Step 2: Convert to fraction form
   35,371.72/53,039.32 = 10,408.53/x
3. Step 3: Cross multiply
   35,371.72x = 53,039.32 × 10,408.53
4. Step 4: Simplify right side
   35,371.72x = 552,061,137.30
5. Step 5: Solve for x
   x = 552,061,137.30/35,371.72
6. Step 6: Final answer
   x = 15,607.42