Finding the Fourth Proportional to 112,145.14, 168,217.71 and 42,015.34

Step by Step Solution

1. Step 1: Write the proportion equation
   112,145.14 : 168,217.71 = 42,015.34 : x
2. Step 2: Convert to fraction form
   112,145.14/168,217.71 = 42,015.34/x
3. Step 3: Cross multiply
   112,145.14x = 168,217.71 × 42,015.34
4. Step 4: Simplify right side
   112,145.14x = 7,067,724,279.67
5. Step 5: Solve for x
   x = 7,067,724,279.67/112,145.14
6. Step 6: Final answer
   x = 63,023.01