Finding the Fourth Proportional to 168,634.43, 252,945.61 and 42,275.72

Step by Step Solution

1. Step 1: Write the proportion equation
   168,634.43 : 252,945.61 = 42,275.72 : x
2. Step 2: Convert to fraction form
   168,634.43/252,945.61 = 42,275.72/x
3. Step 3: Cross multiply
   168,634.43x = 252,945.61 × 42,275.72
4. Step 4: Simplify right side
   168,634.43x = 10,693,457,783.59
5. Step 5: Solve for x
   x = 10,693,457,783.59/168,634.43
6. Step 6: Final answer
   x = 63,412.07