Finding the Fourth Proportional to 10,365.77, 15,555.32 and 10,327.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,365.77 : 15,555.32 = 10,327.50 : x
2. Step 2: Convert to fraction form
   10,365.77/15,555.32 = 10,327.50/x
3. Step 3: Cross multiply
   10,365.77x = 15,555.32 × 10,327.50
4. Step 4: Simplify right side
   10,365.77x = 160,647,525.34
5. Step 5: Solve for x
   x = 160,647,525.34/10,365.77
6. Step 6: Final answer
   x = 15,497.88