Finding the Fourth Proportional to 10,683.57, 14,742.63 and 5,903.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,683.57 : 14,742.63 = 5,903.49 : x
2. Step 2: Convert to fraction form
   10,683.57/14,742.63 = 5,903.49/x
3. Step 3: Cross multiply
   10,683.57x = 14,742.63 × 5,903.49
4. Step 4: Simplify right side
   10,683.57x = 87,032,968.78
5. Step 5: Solve for x
   x = 87,032,968.78/10,683.57
6. Step 6: Final answer
   x = 8,146.43