Finding the Fourth Proportional to 112,365.27, 168,449.49 and 42,293.79

Step by Step Solution

1. Step 1: Write the proportion equation
   112,365.27 : 168,449.49 = 42,293.79 : x
2. Step 2: Convert to fraction form
   112,365.27/168,449.49 = 42,293.79/x
3. Step 3: Cross multiply
   112,365.27x = 168,449.49 × 42,293.79
4. Step 4: Simplify right side
   112,365.27x = 7,124,367,355.67
5. Step 5: Solve for x
   x = 7,124,367,355.67/112,365.27
6. Step 6: Final answer
   x = 63,403.64