Finding the Fourth Proportional to 143,787.10, 215,776.62 and 50,292.84

Step by Step Solution

1. Step 1: Write the proportion equation
   143,787.10 : 215,776.62 = 50,292.84 : x
2. Step 2: Convert to fraction form
   143,787.10/215,776.62 = 50,292.84/x
3. Step 3: Cross multiply
   143,787.10x = 215,776.62 × 50,292.84
4. Step 4: Simplify right side
   143,787.10x = 10,852,019,025.40
5. Step 5: Solve for x
   x = 10,852,019,025.40/143,787.10
6. Step 6: Final answer
   x = 75,472.83