Finding the Fourth Proportional to 105,533.42, 158,333.25 and 46,418.78

Step by Step Solution

1. Step 1: Write the proportion equation
   105,533.42 : 158,333.25 = 46,418.78 : x
2. Step 2: Convert to fraction form
   105,533.42/158,333.25 = 46,418.78/x
3. Step 3: Cross multiply
   105,533.42x = 158,333.25 × 46,418.78
4. Step 4: Simplify right side
   105,533.42x = 7,349,636,298.44
5. Step 5: Solve for x
   x = 7,349,636,298.44/105,533.42
6. Step 6: Final answer
   x = 69,642.74