Finding the Fourth Proportional to 10,083.60, 13,915.85 and 5,607.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,083.60 : 13,915.85 = 5,607.29 : x
2. Step 2: Convert to fraction form
   10,083.60/13,915.85 = 5,607.29/x
3. Step 3: Cross multiply
   10,083.60x = 13,915.85 × 5,607.29
4. Step 4: Simplify right side
   10,083.60x = 78,030,108.93
5. Step 5: Solve for x
   x = 78,030,108.93/10,083.60
6. Step 6: Final answer
   x = 7,738.32