Finding the Fourth Proportional to 11,188.50, 16,782.24 and 3,290.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,188.50 : 16,782.24 = 3,290.72 : x
2. Step 2: Convert to fraction form
   11,188.50/16,782.24 = 3,290.72/x
3. Step 3: Cross multiply
   11,188.50x = 16,782.24 × 3,290.72
4. Step 4: Simplify right side
   11,188.50x = 55,225,652.81
5. Step 5: Solve for x
   x = 55,225,652.81/11,188.50
6. Step 6: Final answer
   x = 4,935.93