Finding the Fourth Proportional to 11,390.50, 17,088.63 and 3,182.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,390.50 : 17,088.63 = 3,182.50 : x
2. Step 2: Convert to fraction form
   11,390.50/17,088.63 = 3,182.50/x
3. Step 3: Cross multiply
   11,390.50x = 17,088.63 × 3,182.50
4. Step 4: Simplify right side
   11,390.50x = 54,384,564.98
5. Step 5: Solve for x
   x = 54,384,564.98/11,390.50
6. Step 6: Final answer
   x = 4,774.55