Finding the Fourth Proportional to 35,619.72, 49,156.50 and 19,705.68

Step by Step Solution

1. Step 1: Write the proportion equation
   35,619.72 : 49,156.50 = 19,705.68 : x
2. Step 2: Convert to fraction form
   35,619.72/49,156.50 = 19,705.68/x
3. Step 3: Cross multiply
   35,619.72x = 49,156.50 × 19,705.68
4. Step 4: Simplify right side
   35,619.72x = 968,662,258.92
5. Step 5: Solve for x
   x = 968,662,258.92/35,619.72
6. Step 6: Final answer
   x = 27,194.55