Finding the Fourth Proportional to 143,911.34, 215,736.33 and 50,366.06

Step by Step Solution

1. Step 1: Write the proportion equation
   143,911.34 : 215,736.33 = 50,366.06 : x
2. Step 2: Convert to fraction form
   143,911.34/215,736.33 = 50,366.06/x
3. Step 3: Cross multiply
   143,911.34x = 215,736.33 × 50,366.06
4. Step 4: Simplify right side
   143,911.34x = 10,865,788,940.96
5. Step 5: Solve for x
   x = 10,865,788,940.96/143,911.34
6. Step 6: Final answer
   x = 75,503.35