Finding the Fourth Proportional to 49,953.59, 74,881.69 and 19,958.89

Step by Step Solution

1. Step 1: Write the proportion equation
   49,953.59 : 74,881.69 = 19,958.89 : x
2. Step 2: Convert to fraction form
   49,953.59/74,881.69 = 19,958.89/x
3. Step 3: Cross multiply
   49,953.59x = 74,881.69 × 19,958.89
4. Step 4: Simplify right side
   49,953.59x = 1,494,555,176.62
5. Step 5: Solve for x
   x = 1,494,555,176.62/49,953.59
6. Step 6: Final answer
   x = 29,918.87