Finding the Fourth Proportional to 9,803.68, 13,525.78 and 5,554.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,803.68 : 13,525.78 = 5,554.32 : x
2. Step 2: Convert to fraction form
   9,803.68/13,525.78 = 5,554.32/x
3. Step 3: Cross multiply
   9,803.68x = 13,525.78 × 5,554.32
4. Step 4: Simplify right side
   9,803.68x = 75,126,510.37
5. Step 5: Solve for x
   x = 75,126,510.37/9,803.68
6. Step 6: Final answer
   x = 7,663.09