Finding the Fourth Proportional to 8,598.96, 12,886.48 and 3,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,598.96 : 12,886.48 = 3,907.50 : x
2. Step 2: Convert to fraction form
   8,598.96/12,886.48 = 3,907.50/x
3. Step 3: Cross multiply
   8,598.96x = 12,886.48 × 3,907.50
4. Step 4: Simplify right side
   8,598.96x = 50,353,920.60
5. Step 5: Solve for x
   x = 50,353,920.60/8,598.96
6. Step 6: Final answer
   x = 5,855.82