Finding the Fourth Proportional to 158,357.10, 237,204.45 and 74,189.10

Step by Step Solution

1. Step 1: Write the proportion equation
   158,357.10 : 237,204.45 = 74,189.10 : x
2. Step 2: Convert to fraction form
   158,357.10/237,204.45 = 74,189.10/x
3. Step 3: Cross multiply
   158,357.10x = 237,204.45 × 74,189.10
4. Step 4: Simplify right side
   158,357.10x = 17,597,984,661.50
5. Step 5: Solve for x
   x = 17,597,984,661.50/158,357.10
6. Step 6: Final answer
   x = 111,128.49