Finding the Fourth Proportional to 10,808.49, 14,915.72 and 5,840.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,808.49 : 14,915.72 = 5,840.49 : x
2. Step 2: Convert to fraction form
   10,808.49/14,915.72 = 5,840.49/x
3. Step 3: Cross multiply
   10,808.49x = 14,915.72 × 5,840.49
4. Step 4: Simplify right side
   10,808.49x = 87,115,128.10
5. Step 5: Solve for x
   x = 87,115,128.10/10,808.49
6. Step 6: Final answer
   x = 8,059.88