Finding the Fourth Proportional to 7,308.50, 10,085.73 and 3,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,308.50 : 10,085.73 = 3,996.50 : x
2. Step 2: Convert to fraction form
   7,308.50/10,085.73 = 3,996.50/x
3. Step 3: Cross multiply
   7,308.50x = 10,085.73 × 3,996.50
4. Step 4: Simplify right side
   7,308.50x = 40,307,619.95
5. Step 5: Solve for x
   x = 40,307,619.95/7,308.50
6. Step 6: Final answer
   x = 5,515.17