Finding the Fourth Proportional to 9,852.12, 13,596.12 and 7,730.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,852.12 : 13,596.12 = 7,730.19 : x
2. Step 2: Convert to fraction form
   9,852.12/13,596.12 = 7,730.19/x
3. Step 3: Cross multiply
   9,852.12x = 13,596.12 × 7,730.19
4. Step 4: Simplify right side
   9,852.12x = 105,100,590.86
5. Step 5: Solve for x
   x = 105,100,590.86/9,852.12
6. Step 6: Final answer
   x = 10,667.81