Finding the Fourth Proportional to 143,784.24, 215,705.52 and 50,355.60

Step by Step Solution

1. Step 1: Write the proportion equation
   143,784.24 : 215,705.52 = 50,355.60 : x
2. Step 2: Convert to fraction form
   143,784.24/215,705.52 = 50,355.60/x
3. Step 3: Cross multiply
   143,784.24x = 215,705.52 × 50,355.60
4. Step 4: Simplify right side
   143,784.24x = 10,861,980,882.91
5. Step 5: Solve for x
   x = 10,861,980,882.91/143,784.24
6. Step 6: Final answer
   x = 75,543.61