Finding the Fourth Proportional to 9,803.88, 13,530.04 and 5,554.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,803.88 : 13,530.04 = 5,554.92 : x
2. Step 2: Convert to fraction form
   9,803.88/13,530.04 = 5,554.92/x
3. Step 3: Cross multiply
   9,803.88x = 13,530.04 × 5,554.92
4. Step 4: Simplify right side
   9,803.88x = 75,158,289.80
5. Step 5: Solve for x
   x = 75,158,289.80/9,803.88
6. Step 6: Final answer
   x = 7,666.18