Finding the Fourth Proportional to 51,461.67, 71,019.72 and 30,247.77

Step by Step Solution

1. Step 1: Write the proportion equation
   51,461.67 : 71,019.72 = 30,247.77 : x
2. Step 2: Convert to fraction form
   51,461.67/71,019.72 = 30,247.77/x
3. Step 3: Cross multiply
   51,461.67x = 71,019.72 × 30,247.77
4. Step 4: Simplify right side
   51,461.67x = 2,148,188,156.02
5. Step 5: Solve for x
   x = 2,148,188,156.02/51,461.67
6. Step 6: Final answer
   x = 41,743.46