Finding the Fourth Proportional to 168,633.43, 252,944.12 and 42,274.72

Step by Step Solution

1. Step 1: Write the proportion equation
   168,633.43 : 252,944.12 = 42,274.72 : x
2. Step 2: Convert to fraction form
   168,633.43/252,944.12 = 42,274.72/x
3. Step 3: Cross multiply
   168,633.43x = 252,944.12 × 42,274.72
4. Step 4: Simplify right side
   168,633.43x = 10,693,140,372.55
5. Step 5: Solve for x
   x = 10,693,140,372.55/168,633.43
6. Step 6: Final answer
   x = 63,410.56