Finding the Fourth Proportional to 12,039.04, 18,065.92 and 8,526.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,039.04 : 18,065.92 = 8,526.72 : x
2. Step 2: Convert to fraction form
   12,039.04/18,065.92 = 8,526.72/x
3. Step 3: Cross multiply
   12,039.04x = 18,065.92 × 8,526.72
4. Step 4: Simplify right side
   12,039.04x = 154,043,041.38
5. Step 5: Solve for x
   x = 154,043,041.38/12,039.04
6. Step 6: Final answer
   x = 12,795.29