Finding the Fourth Proportional to 13,162.50, 18,164.25 and 7,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,162.50 : 18,164.25 = 7,573.50 : x
2. Step 2: Convert to fraction form
   13,162.50/18,164.25 = 7,573.50/x
3. Step 3: Cross multiply
   13,162.50x = 18,164.25 × 7,573.50
4. Step 4: Simplify right side
   13,162.50x = 137,566,947.38
5. Step 5: Solve for x
   x = 137,566,947.38/13,162.50
6. Step 6: Final answer
   x = 10,451.43