Finding the Fourth Proportional to 105,436.26, 145,533.24 and 73,615.41

Step by Step Solution

1. Step 1: Write the proportion equation
   105,436.26 : 145,533.24 = 73,615.41 : x
2. Step 2: Convert to fraction form
   105,436.26/145,533.24 = 73,615.41/x
3. Step 3: Cross multiply
   105,436.26x = 145,533.24 × 73,615.41
4. Step 4: Simplify right side
   105,436.26x = 10,713,489,131.23
5. Step 5: Solve for x
   x = 10,713,489,131.23/105,436.26
6. Step 6: Final answer
   x = 101,611.05