Finding the Fourth Proportional to 35,896.02, 49,535.89 and 19,980.02

Step by Step Solution

1. Step 1: Write the proportion equation
   35,896.02 : 49,535.89 = 19,980.02 : x
2. Step 2: Convert to fraction form
   35,896.02/49,535.89 = 19,980.02/x
3. Step 3: Cross multiply
   35,896.02x = 49,535.89 × 19,980.02
4. Step 4: Simplify right side
   35,896.02x = 989,728,072.92
5. Step 5: Solve for x
   x = 989,728,072.92/35,896.02
6. Step 6: Final answer
   x = 27,572.08