Finding the Fourth Proportional to 10,083.40, 13,915.41 and 5,607.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,083.40 : 13,915.41 = 5,607.34 : x
2. Step 2: Convert to fraction form
   10,083.40/13,915.41 = 5,607.34/x
3. Step 3: Cross multiply
   10,083.40x = 13,915.41 × 5,607.34
4. Step 4: Simplify right side
   10,083.40x = 78,028,435.11
5. Step 5: Solve for x
   x = 78,028,435.11/10,083.40
6. Step 6: Final answer
   x = 7,738.31