Finding the Fourth Proportional to 9,868.56, 13,611.42 and 7,516.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,868.56 : 13,611.42 = 7,516.32 : x
2. Step 2: Convert to fraction form
   9,868.56/13,611.42 = 7,516.32/x
3. Step 3: Cross multiply
   9,868.56x = 13,611.42 × 7,516.32
4. Step 4: Simplify right side
   9,868.56x = 102,307,788.37
5. Step 5: Solve for x
   x = 102,307,788.37/9,868.56
6. Step 6: Final answer
   x = 10,367.04