Finding the Fourth Proportional to 8,635.59, 11,915.10 and 5,099.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,635.59 : 11,915.10 = 5,099.33 : x
2. Step 2: Convert to fraction form
   8,635.59/11,915.10 = 5,099.33/x
3. Step 3: Cross multiply
   8,635.59x = 11,915.10 × 5,099.33
4. Step 4: Simplify right side
   8,635.59x = 60,758,967.31
5. Step 5: Solve for x
   x = 60,758,967.31/8,635.59
6. Step 6: Final answer
   x = 7,035.88