Finding the Fourth Proportional to 112,181.42, 168,222.83 and 42,011.52

Step by Step Solution

1. Step 1: Write the proportion equation
   112,181.42 : 168,222.83 = 42,011.52 : x
2. Step 2: Convert to fraction form
   112,181.42/168,222.83 = 42,011.52/x
3. Step 3: Cross multiply
   112,181.42x = 168,222.83 × 42,011.52
4. Step 4: Simplify right side
   112,181.42x = 7,067,296,576.94
5. Step 5: Solve for x
   x = 7,067,296,576.94/112,181.42
6. Step 6: Final answer
   x = 62,998.82