Finding the Fourth Proportional to 105,511.52, 158,267.24 and 35,390.60

Step by Step Solution

1. Step 1: Write the proportion equation
   105,511.52 : 158,267.24 = 35,390.60 : x
2. Step 2: Convert to fraction form
   105,511.52/158,267.24 = 35,390.60/x
3. Step 3: Cross multiply
   105,511.52x = 158,267.24 × 35,390.60
4. Step 4: Simplify right side
   105,511.52x = 5,601,172,583.94
5. Step 5: Solve for x
   x = 5,601,172,583.94/105,511.52
6. Step 6: Final answer
   x = 53,085.89