Finding the Fourth Proportional to 9,868.36, 13,597.86 and 7,345.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,868.36 : 13,597.86 = 7,345.48 : x
2. Step 2: Convert to fraction form
   9,868.36/13,597.86 = 7,345.48/x
3. Step 3: Cross multiply
   9,868.36x = 13,597.86 × 7,345.48
4. Step 4: Simplify right side
   9,868.36x = 99,882,808.67
5. Step 5: Solve for x
   x = 99,882,808.67/9,868.36
6. Step 6: Final answer
   x = 10,121.52