Finding the Fourth Proportional to 50,661.30, 69,908.05 and 29,145.34

Step by Step Solution

1. Step 1: Write the proportion equation
   50,661.30 : 69,908.05 = 29,145.34 : x
2. Step 2: Convert to fraction form
   50,661.30/69,908.05 = 29,145.34/x
3. Step 3: Cross multiply
   50,661.30x = 69,908.05 × 29,145.34
4. Step 4: Simplify right side
   50,661.30x = 2,037,493,885.99
5. Step 5: Solve for x
   x = 2,037,493,885.99/50,661.30
6. Step 6: Final answer
   x = 40,217.96