Finding the Fourth Proportional to 105,511.68, 158,291.22 and 35,389.20

Step by Step Solution

1. Step 1: Write the proportion equation
   105,511.68 : 158,291.22 = 35,389.20 : x
2. Step 2: Convert to fraction form
   105,511.68/158,291.22 = 35,389.20/x
3. Step 3: Cross multiply
   105,511.68x = 158,291.22 × 35,389.20
4. Step 4: Simplify right side
   105,511.68x = 5,601,799,642.82
5. Step 5: Solve for x
   x = 5,601,799,642.82/105,511.68
6. Step 6: Final answer
   x = 53,091.75