Finding the Fourth Proportional to 112,329.56, 168,364.74 and 42,164.12

Step by Step Solution

1. Step 1: Write the proportion equation
   112,329.56 : 168,364.74 = 42,164.12 : x
2. Step 2: Convert to fraction form
   112,329.56/168,364.74 = 42,164.12/x
3. Step 3: Cross multiply
   112,329.56x = 168,364.74 × 42,164.12
4. Step 4: Simplify right side
   112,329.56x = 7,098,951,101.13
5. Step 5: Solve for x
   x = 7,098,951,101.13/112,329.56
6. Step 6: Final answer
   x = 63,197.53