Finding the Fourth Proportional to 57,341.30, 85,839.15 and 50,429.30

Step by Step Solution

1. Step 1: Write the proportion equation
   57,341.30 : 85,839.15 = 50,429.30 : x
2. Step 2: Convert to fraction form
   57,341.30/85,839.15 = 50,429.30/x
3. Step 3: Cross multiply
   57,341.30x = 85,839.15 × 50,429.30
4. Step 4: Simplify right side
   57,341.30x = 4,328,808,247.10
5. Step 5: Solve for x
   x = 4,328,808,247.10/57,341.30
6. Step 6: Final answer
   x = 75,491.98