Finding the Fourth Proportional to 13,400.76, 18,493.74 and 10,083

Step by Step Solution

1. Step 1: Write the proportion equation
   13,400.76 : 18,493.74 = 10,083 : x
2. Step 2: Convert to fraction form
   13,400.76/18,493.74 = 10,083/x
3. Step 3: Cross multiply
   13,400.76x = 18,493.74 × 10,083
4. Step 4: Simplify right side
   13,400.76x = 186,472,380.42
5. Step 5: Solve for x
   x = 186,472,380.42/13,400.76
6. Step 6: Final answer
   x = 13,915.06