Finding the Fourth Proportional to 105,958.31, 158,838.64 and 35,788.55

Step by Step Solution

1. Step 1: Write the proportion equation
   105,958.31 : 158,838.64 = 35,788.55 : x
2. Step 2: Convert to fraction form
   105,958.31/158,838.64 = 35,788.55/x
3. Step 3: Cross multiply
   105,958.31x = 158,838.64 × 35,788.55
4. Step 4: Simplify right side
   105,958.31x = 5,684,604,609.57
5. Step 5: Solve for x
   x = 5,684,604,609.57/105,958.31
6. Step 6: Final answer
   x = 53,649.45