Finding the Fourth Proportional to 112,412.82, 154,949.49 and 76,102.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,412.82 : 154,949.49 = 76,102.82 : x
2. Step 2: Convert to fraction form
   112,412.82/154,949.49 = 76,102.82/x
3. Step 3: Cross multiply
   112,412.82x = 154,949.49 × 76,102.82
4. Step 4: Simplify right side
   112,412.82x = 11,792,093,146.56
5. Step 5: Solve for x
   x = 11,792,093,146.56/112,412.82
6. Step 6: Final answer
   x = 104,899.90