Finding the Fourth Proportional to 112,185.27, 168,228.56 and 42,015.38

Step by Step Solution

1. Step 1: Write the proportion equation
   112,185.27 : 168,228.56 = 42,015.38 : x
2. Step 2: Convert to fraction form
   112,185.27/168,228.56 = 42,015.38/x
3. Step 3: Cross multiply
   112,185.27x = 168,228.56 × 42,015.38
4. Step 4: Simplify right side
   112,185.27x = 7,068,186,139.15
5. Step 5: Solve for x
   x = 7,068,186,139.15/112,185.27
6. Step 6: Final answer
   x = 63,004.58