Finding the Fourth Proportional to 12,385.12, 17,096.52 and 9,235.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385.12 : 17,096.52 = 9,235.84 : x
2. Step 2: Convert to fraction form
   12,385.12/17,096.52 = 9,235.84/x
3. Step 3: Cross multiply
   12,385.12x = 17,096.52 × 9,235.84
4. Step 4: Simplify right side
   12,385.12x = 157,900,723.28
5. Step 5: Solve for x
   x = 157,900,723.28/12,385.12
6. Step 6: Final answer
   x = 12,749.23