Finding the Fourth Proportional to 8,492.76, 12,735.04 and 3,561.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,492.76 : 12,735.04 = 3,561.07 : x
2. Step 2: Convert to fraction form
   8,492.76/12,735.04 = 3,561.07/x
3. Step 3: Cross multiply
   8,492.76x = 12,735.04 × 3,561.07
4. Step 4: Simplify right side
   8,492.76x = 45,350,368.89
5. Step 5: Solve for x
   x = 45,350,368.89/8,492.76
6. Step 6: Final answer
   x = 5,339.89