Finding the Fourth Proportional to 74,118.42, 111,177.86 and 17,958.42

Step by Step Solution

1. Step 1: Write the proportion equation
   74,118.42 : 111,177.86 = 17,958.42 : x
2. Step 2: Convert to fraction form
   74,118.42/111,177.86 = 17,958.42/x
3. Step 3: Cross multiply
   74,118.42x = 111,177.86 × 17,958.42
4. Step 4: Simplify right side
   74,118.42x = 1,996,578,704.58
5. Step 5: Solve for x
   x = 1,996,578,704.58/74,118.42
6. Step 6: Final answer
   x = 26,937.69