Finding the Fourth Proportional to 49,955.59, 74,884.69 and 19,960.89

Step by Step Solution

1. Step 1: Write the proportion equation
   49,955.59 : 74,884.69 = 19,960.89 : x
2. Step 2: Convert to fraction form
   49,955.59/74,884.69 = 19,960.89/x
3. Step 3: Cross multiply
   49,955.59x = 74,884.69 × 19,960.89
4. Step 4: Simplify right side
   49,955.59x = 1,494,765,059.77
5. Step 5: Solve for x
   x = 1,494,765,059.77/49,955.59
6. Step 6: Final answer
   x = 29,921.88