Finding the Fourth Proportional to 104,599.69, 144,329.72 and 59,268.31

Step by Step Solution

1. Step 1: Write the proportion equation
   104,599.69 : 144,329.72 = 59,268.31 : x
2. Step 2: Convert to fraction form
   104,599.69/144,329.72 = 59,268.31/x
3. Step 3: Cross multiply
   104,599.69x = 144,329.72 × 59,268.31
4. Step 4: Simplify right side
   104,599.69x = 8,554,177,930.01
5. Step 5: Solve for x
   x = 8,554,177,930.01/104,599.69
6. Step 6: Final answer
   x = 81,780.15