Finding the Fourth Proportional to 104,443.17, 144,131.22 and 56,696.18

Step by Step Solution

1. Step 1: Write the proportion equation
   104,443.17 : 144,131.22 = 56,696.18 : x
2. Step 2: Convert to fraction form
   104,443.17/144,131.22 = 56,696.18/x
3. Step 3: Cross multiply
   104,443.17x = 144,131.22 × 56,696.18
4. Step 4: Simplify right side
   104,443.17x = 8,171,689,436.91
5. Step 5: Solve for x
   x = 8,171,689,436.91/104,443.17
6. Step 6: Final answer
   x = 78,240.53