Finding the Fourth Proportional to 13,477.45, 18,596.67 and 7,507.77

Step by Step Solution

1. Step 1: Write the proportion equation
   13,477.45 : 18,596.67 = 7,507.77 : x
2. Step 2: Convert to fraction form
   13,477.45/18,596.67 = 7,507.77/x
3. Step 3: Cross multiply
   13,477.45x = 18,596.67 × 7,507.77
4. Step 4: Simplify right side
   13,477.45x = 139,619,483.59
5. Step 5: Solve for x
   x = 139,619,483.59/13,477.45
6. Step 6: Final answer
   x = 10,359.49