Finding the Fourth Proportional to 168,546.69, 252,821.25 and 42,189.12

Step by Step Solution

1. Step 1: Write the proportion equation
   168,546.69 : 252,821.25 = 42,189.12 : x
2. Step 2: Convert to fraction form
   168,546.69/252,821.25 = 42,189.12/x
3. Step 3: Cross multiply
   168,546.69x = 252,821.25 × 42,189.12
4. Step 4: Simplify right side
   168,546.69x = 10,666,306,054.80
5. Step 5: Solve for x
   x = 10,666,306,054.80/168,546.69
6. Step 6: Final answer
   x = 63,283.98