Finding the Fourth Proportional to 143,606.28, 215,312.22 and 50,061

Step by Step Solution

1. Step 1: Write the proportion equation
   143,606.28 : 215,312.22 = 50,061 : x
2. Step 2: Convert to fraction form
   143,606.28/215,312.22 = 50,061/x
3. Step 3: Cross multiply
   143,606.28x = 215,312.22 × 50,061
4. Step 4: Simplify right side
   143,606.28x = 10,778,745,045.42
5. Step 5: Solve for x
   x = 10,778,745,045.42/143,606.28
6. Step 6: Final answer
   x = 75,057.62