Finding the Fourth Proportional to 13,561.45, 18,714.78 and 7,593.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,561.45 : 18,714.78 = 7,593.12 : x
2. Step 2: Convert to fraction form
   13,561.45/18,714.78 = 7,593.12/x
3. Step 3: Cross multiply
   13,561.45x = 18,714.78 × 7,593.12
4. Step 4: Simplify right side
   13,561.45x = 142,103,570.31
5. Step 5: Solve for x
   x = 142,103,570.31/13,561.45
6. Step 6: Final answer
   x = 10,478.50