Finding the Fourth Proportional to 9,016.70, 12,451.56 and 8,525.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.70 : 12,451.56 = 8,525.84 : x
2. Step 2: Convert to fraction form
   9,016.70/12,451.56 = 8,525.84/x
3. Step 3: Cross multiply
   9,016.70x = 12,451.56 × 8,525.84
4. Step 4: Simplify right side
   9,016.70x = 106,160,008.31
5. Step 5: Solve for x
   x = 106,160,008.31/9,016.70
6. Step 6: Final answer
   x = 11,773.71