Finding the Fourth Proportional to 13,592.45, 18,756.32 and 7,622.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,592.45 : 18,756.32 = 7,622.96 : x
2. Step 2: Convert to fraction form
   13,592.45/18,756.32 = 7,622.96/x
3. Step 3: Cross multiply
   13,592.45x = 18,756.32 × 7,622.96
4. Step 4: Simplify right side
   13,592.45x = 142,978,693.59
5. Step 5: Solve for x
   x = 142,978,693.59/13,592.45
6. Step 6: Final answer
   x = 10,518.98