Finding the Fourth Proportional to 8,736.84, 13,041.82 and 8,086.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,736.84 : 13,041.82 = 8,086.34 : x
2. Step 2: Convert to fraction form
   8,736.84/13,041.82 = 8,086.34/x
3. Step 3: Cross multiply
   8,736.84x = 13,041.82 × 8,086.34
4. Step 4: Simplify right side
   8,736.84x = 105,460,633.45
5. Step 5: Solve for x
   x = 105,460,633.45/8,736.84
6. Step 6: Final answer
   x = 12,070.80