Finding the Fourth Proportional to 9,039.56, 13,561.50 and 3,116.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,039.56 : 13,561.50 = 3,116.84 : x
2. Step 2: Convert to fraction form
   9,039.56/13,561.50 = 3,116.84/x
3. Step 3: Cross multiply
   9,039.56x = 13,561.50 × 3,116.84
4. Step 4: Simplify right side
   9,039.56x = 42,269,025.66
5. Step 5: Solve for x
   x = 42,269,025.66/9,039.56
6. Step 6: Final answer
   x = 4,676.00