Finding the Fourth Proportional to 112,093.32, 154,731.96 and 82,116.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,093.32 : 154,731.96 = 82,116.72 : x
2. Step 2: Convert to fraction form
   112,093.32/154,731.96 = 82,116.72/x
3. Step 3: Cross multiply
   112,093.32x = 154,731.96 × 82,116.72
4. Step 4: Simplify right side
   112,093.32x = 12,706,081,571.67
5. Step 5: Solve for x
   x = 12,706,081,571.67/112,093.32
6. Step 6: Final answer
   x = 113,352.71