Finding the Fourth Proportional to 35,829.82, 53,744.71 and 12,456.25

Step by Step Solution

1. Step 1: Write the proportion equation
   35,829.82 : 53,744.71 = 12,456.25 : x
2. Step 2: Convert to fraction form
   35,829.82/53,744.71 = 12,456.25/x
3. Step 3: Cross multiply
   35,829.82x = 53,744.71 × 12,456.25
4. Step 4: Simplify right side
   35,829.82x = 669,457,543.94
5. Step 5: Solve for x
   x = 669,457,543.94/35,829.82
6. Step 6: Final answer
   x = 18,684.37