Finding the Fourth Proportional to 9,803.16, 13,529.16 and 5,611.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,803.16 : 13,529.16 = 5,611.68 : x
2. Step 2: Convert to fraction form
   9,803.16/13,529.16 = 5,611.68/x
3. Step 3: Cross multiply
   9,803.16x = 13,529.16 × 5,611.68
4. Step 4: Simplify right side
   9,803.16x = 75,921,316.59
5. Step 5: Solve for x
   x = 75,921,316.59/9,803.16
6. Step 6: Final answer
   x = 7,744.58