Finding the Fourth Proportional to 104,718.56, 157,074.50 and 33,640.91

Step by Step Solution

1. Step 1: Write the proportion equation
   104,718.56 : 157,074.50 = 33,640.91 : x
2. Step 2: Convert to fraction form
   104,718.56/157,074.50 = 33,640.91/x
3. Step 3: Cross multiply
   104,718.56x = 157,074.50 × 33,640.91
4. Step 4: Simplify right side
   104,718.56x = 5,284,128,164.22
5. Step 5: Solve for x
   x = 5,284,128,164.22/104,718.56
6. Step 6: Final answer
   x = 50,460.29