Finding the Fourth Proportional to 7,272.95, 10,036.29 and 4,086.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,272.95 : 10,036.29 = 4,086.37 : x
2. Step 2: Convert to fraction form
   7,272.95/10,036.29 = 4,086.37/x
3. Step 3: Cross multiply
   7,272.95x = 10,036.29 × 4,086.37
4. Step 4: Simplify right side
   7,272.95x = 41,012,044.72
5. Step 5: Solve for x
   x = 41,012,044.72/7,272.95
6. Step 6: Final answer
   x = 5,638.98