Finding the Fourth Proportional to 12,705.48, 17,533.50 and 7,327.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,705.48 : 17,533.50 = 7,327.89 : x
2. Step 2: Convert to fraction form
   12,705.48/17,533.50 = 7,327.89/x
3. Step 3: Cross multiply
   12,705.48x = 17,533.50 × 7,327.89
4. Step 4: Simplify right side
   12,705.48x = 128,483,559.32
5. Step 5: Solve for x
   x = 128,483,559.32/12,705.48
6. Step 6: Final answer
   x = 10,112.45