Finding the Fourth Proportional to 10,083.90, 13,915.76 and 5,607.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,083.90 : 13,915.76 = 5,607.71 : x
2. Step 2: Convert to fraction form
   10,083.90/13,915.76 = 5,607.71/x
3. Step 3: Cross multiply
   10,083.90x = 13,915.76 × 5,607.71
4. Step 4: Simplify right side
   10,083.90x = 78,035,448.89
5. Step 5: Solve for x
   x = 78,035,448.89/10,083.90
6. Step 6: Final answer
   x = 7,738.62