Finding the Fourth Proportional to 12,633.86, 17,435.96 and 9,441.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,633.86 : 17,435.96 = 9,441.60 : x
2. Step 2: Convert to fraction form
   12,633.86/17,435.96 = 9,441.60/x
3. Step 3: Cross multiply
   12,633.86x = 17,435.96 × 9,441.60
4. Step 4: Simplify right side
   12,633.86x = 164,623,359.94
5. Step 5: Solve for x
   x = 164,623,359.94/12,633.86
6. Step 6: Final answer
   x = 13,030.33