Finding the Fourth Proportional to 143,784.72, 215,530.20 and 50,213.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143,784.72 : 215,530.20 = 50,213.52 : x
2. Step 2: Convert to fraction form
   143,784.72/215,530.20 = 50,213.52/x
3. Step 3: Cross multiply
   143,784.72x = 215,530.20 × 50,213.52
4. Step 4: Simplify right side
   143,784.72x = 10,822,530,008.30
5. Step 5: Solve for x
   x = 10,822,530,008.30/143,784.72
6. Step 6: Final answer
   x = 75,268.99