Finding the Fourth Proportional to 13,193.38, 18,208.59 and 7,526.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,193.38 : 18,208.59 = 7,526.82 : x
2. Step 2: Convert to fraction form
   13,193.38/18,208.59 = 7,526.82/x
3. Step 3: Cross multiply
   13,193.38x = 18,208.59 × 7,526.82
4. Step 4: Simplify right side
   13,193.38x = 137,052,779.38
5. Step 5: Solve for x
   x = 137,052,779.38/13,193.38
6. Step 6: Final answer
   x = 10,388.00