Finding the Fourth Proportional to 104,465.82, 144,162.82 and 56,719.18

Step by Step Solution

1. Step 1: Write the proportion equation
   104,465.82 : 144,162.82 = 56,719.18 : x
2. Step 2: Convert to fraction form
   104,465.82/144,162.82 = 56,719.18/x
3. Step 3: Cross multiply
   104,465.82x = 144,162.82 × 56,719.18
4. Step 4: Simplify right side
   104,465.82x = 8,176,796,936.89
5. Step 5: Solve for x
   x = 8,176,796,936.89/104,465.82
6. Step 6: Final answer
   x = 78,272.46