Finding the Fourth Proportional to 10,665.81, 16,006.88 and 4,826.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.81 : 16,006.88 = 4,826.52 : x
2. Step 2: Convert to fraction form
   10,665.81/16,006.88 = 4,826.52/x
3. Step 3: Cross multiply
   10,665.81x = 16,006.88 × 4,826.52
4. Step 4: Simplify right side
   10,665.81x = 77,257,538.52
5. Step 5: Solve for x
   x = 77,257,538.52/10,665.81
6. Step 6: Final answer
   x = 7,243.48