Finding the Fourth Proportional to 112,142.65, 168,023.56 and 67,675.98

Step by Step Solution

1. Step 1: Write the proportion equation
   112,142.65 : 168,023.56 = 67,675.98 : x
2. Step 2: Convert to fraction form
   112,142.65/168,023.56 = 67,675.98/x
3. Step 3: Cross multiply
   112,142.65x = 168,023.56 × 67,675.98
4. Step 4: Simplify right side
   112,142.65x = 11,371,159,086.09
5. Step 5: Solve for x
   x = 11,371,159,086.09/112,142.65
6. Step 6: Final answer
   x = 101,399.06