Finding the Fourth Proportional to 105,662.41, 158,562.33 and 45,749.39

Step by Step Solution

1. Step 1: Write the proportion equation
   105,662.41 : 158,562.33 = 45,749.39 : x
2. Step 2: Convert to fraction form
   105,662.41/158,562.33 = 45,749.39/x
3. Step 3: Cross multiply
   105,662.41x = 158,562.33 × 45,749.39
4. Step 4: Simplify right side
   105,662.41x = 7,254,129,993.38
5. Step 5: Solve for x
   x = 7,254,129,993.38/105,662.41
6. Step 6: Final answer
   x = 68,653.84