Finding the Fourth Proportional to 11,036.58, 15,235.86 and 7,681.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,036.58 : 15,235.86 = 7,681.98 : x
2. Step 2: Convert to fraction form
   11,036.58/15,235.86 = 7,681.98/x
3. Step 3: Cross multiply
   11,036.58x = 15,235.86 × 7,681.98
4. Step 4: Simplify right side
   11,036.58x = 117,041,571.80
5. Step 5: Solve for x
   x = 117,041,571.80/11,036.58
6. Step 6: Final answer
   x = 10,604.88