Finding the Fourth Proportional to 104,759.16, 144,561.34 and 58,815.42

Step by Step Solution

1. Step 1: Write the proportion equation
   104,759.16 : 144,561.34 = 58,815.42 : x
2. Step 2: Convert to fraction form
   104,759.16/144,561.34 = 58,815.42/x
3. Step 3: Cross multiply
   104,759.16x = 144,561.34 × 58,815.42
4. Step 4: Simplify right side
   104,759.16x = 8,502,435,927.86
5. Step 5: Solve for x
   x = 8,502,435,927.86/104,759.16
6. Step 6: Final answer
   x = 81,161.74