Finding the Fourth Proportional to 10,875, 16,313.67 and 3,477.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875 : 16,313.67 = 3,477.72 : x
2. Step 2: Convert to fraction form
   10,875/16,313.67 = 3,477.72/x
3. Step 3: Cross multiply
   10,875x = 16,313.67 × 3,477.72
4. Step 4: Simplify right side
   10,875x = 56,734,376.43
5. Step 5: Solve for x
   x = 56,734,376.43/10,875
6. Step 6: Final answer
   x = 5,216.95