Finding the Fourth Proportional to 21,529.58, 32,297.61 and 7,677.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,529.58 : 32,297.61 = 7,677.50 : x
2. Step 2: Convert to fraction form
   21,529.58/32,297.61 = 7,677.50/x
3. Step 3: Cross multiply
   21,529.58x = 32,297.61 × 7,677.50
4. Step 4: Simplify right side
   21,529.58x = 247,964,900.78
5. Step 5: Solve for x
   x = 247,964,900.78/21,529.58
6. Step 6: Final answer
   x = 11,517.41