Finding the Fourth Proportional to 11,518.18, 15,900.00 and 7,743.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,518.18 : 15,900.00 = 7,743.54 : x
2. Step 2: Convert to fraction form
   11,518.18/15,900.00 = 7,743.54/x
3. Step 3: Cross multiply
   11,518.18x = 15,900.00 × 7,743.54
4. Step 4: Simplify right side
   11,518.18x = 123,122,217.21
5. Step 5: Solve for x
   x = 123,122,217.21/11,518.18
6. Step 6: Final answer
   x = 10,689.38