Finding the Fourth Proportional to 146,188.58, 201,920.18 and 105,838.43

Step by Step Solution

1. Step 1: Write the proportion equation
   146,188.58 : 201,920.18 = 105,838.43 : x
2. Step 2: Convert to fraction form
   146,188.58/201,920.18 = 105,838.43/x
3. Step 3: Cross multiply
   146,188.58x = 201,920.18 × 105,838.43
4. Step 4: Simplify right side
   146,188.58x = 21,370,913,297.72
5. Step 5: Solve for x
   x = 21,370,913,297.72/146,188.58
6. Step 6: Final answer
   x = 146,187.30