Finding the Fourth Proportional to 49,271.37, 67,968.68 and 31,115.52

Step by Step Solution

1. Step 1: Write the proportion equation
   49,271.37 : 67,968.68 = 31,115.52 : x
2. Step 2: Convert to fraction form
   49,271.37/67,968.68 = 31,115.52/x
3. Step 3: Cross multiply
   49,271.37x = 67,968.68 × 31,115.52
4. Step 4: Simplify right side
   49,271.37x = 2,114,880,666.34
5. Step 5: Solve for x
   x = 2,114,880,666.34/49,271.37
6. Step 6: Final answer
   x = 42,923.11