Finding the Fourth Proportional to 105,642.24, 158,406.12 and 46,408.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,642.24 : 158,406.12 = 46,408.56 : x
2. Step 2: Convert to fraction form
   105,642.24/158,406.12 = 46,408.56/x
3. Step 3: Cross multiply
   105,642.24x = 158,406.12 × 46,408.56
4. Step 4: Simplify right side
   105,642.24x = 7,351,399,924.39
5. Step 5: Solve for x
   x = 7,351,399,924.39/105,642.24
6. Step 6: Final answer
   x = 69,587.69