Finding the Fourth Proportional to 13,472.18, 18,591.58 and 7,504.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,472.18 : 18,591.58 = 7,504.37 : x
2. Step 2: Convert to fraction form
   13,472.18/18,591.58 = 7,504.37/x
3. Step 3: Cross multiply
   13,472.18x = 18,591.58 × 7,504.37
4. Step 4: Simplify right side
   13,472.18x = 139,518,095.20
5. Step 5: Solve for x
   x = 139,518,095.20/13,472.18
6. Step 6: Final answer
   x = 10,356.01