Finding the Fourth Proportional to 104,667.29, 144,473.78 and 59,375.38

Step by Step Solution

1. Step 1: Write the proportion equation
   104,667.29 : 144,473.78 = 59,375.38 : x
2. Step 2: Convert to fraction form
   104,667.29/144,473.78 = 59,375.38/x
3. Step 3: Cross multiply
   104,667.29x = 144,473.78 × 59,375.38
4. Step 4: Simplify right side
   104,667.29x = 8,578,185,311.69
5. Step 5: Solve for x
   x = 8,578,185,311.69/104,667.29
6. Step 6: Final answer
   x = 81,956.70