Finding the Fourth Proportional to 13,524.18, 18,663.02 and 7,555.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,524.18 : 18,663.02 = 7,555.89 : x
2. Step 2: Convert to fraction form
   13,524.18/18,663.02 = 7,555.89/x
3. Step 3: Cross multiply
   13,524.18x = 18,663.02 × 7,555.89
4. Step 4: Simplify right side
   13,524.18x = 141,015,699.25
5. Step 5: Solve for x
   x = 141,015,699.25/13,524.18
6. Step 6: Final answer
   x = 10,426.93