Finding the Fourth Proportional to 13,546.82, 18,693.72 and 7,577.45

Step by Step Solution

1. Step 1: Write the proportion equation
   13,546.82 : 18,693.72 = 7,577.45 : x
2. Step 2: Convert to fraction form
   13,546.82/18,693.72 = 7,577.45/x
3. Step 3: Cross multiply
   13,546.82x = 18,693.72 × 7,577.45
4. Step 4: Simplify right side
   13,546.82x = 141,650,728.61
5. Step 5: Solve for x
   x = 141,650,728.61/13,546.82
6. Step 6: Final answer
   x = 10,456.38