Finding the Fourth Proportional to 13,477.89, 18,599.00 and 7,509.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,477.89 : 18,599.00 = 7,509.25 : x
2. Step 2: Convert to fraction form
   13,477.89/18,599.00 = 7,509.25/x
3. Step 3: Cross multiply
   13,477.89x = 18,599.00 × 7,509.25
4. Step 4: Simplify right side
   13,477.89x = 139,664,456.71
5. Step 5: Solve for x
   x = 139,664,456.71/13,477.89
6. Step 6: Final answer
   x = 10,362.49