Finding the Fourth Proportional to 20,674.06, 31,015.76 and 7,526.56

Step by Step Solution

1. Step 1: Write the proportion equation
   20,674.06 : 31,015.76 = 7,526.56 : x
2. Step 2: Convert to fraction form
   20,674.06/31,015.76 = 7,526.56/x
3. Step 3: Cross multiply
   20,674.06x = 31,015.76 × 7,526.56
4. Step 4: Simplify right side
   20,674.06x = 233,441,978.59
5. Step 5: Solve for x
   x = 233,441,978.59/20,674.06
6. Step 6: Final answer
   x = 11,291.54