Finding the Fourth Proportional to 49,158.40, 73,690.88 and 31,339.04

Step by Step Solution

1. Step 1: Write the proportion equation
   49,158.40 : 73,690.88 = 31,339.04 : x
2. Step 2: Convert to fraction form
   49,158.40/73,690.88 = 31,339.04/x
3. Step 3: Cross multiply
   49,158.40x = 73,690.88 × 31,339.04
4. Step 4: Simplify right side
   49,158.40x = 2,309,401,435.96
5. Step 5: Solve for x
   x = 2,309,401,435.96/49,158.40
6. Step 6: Final answer
   x = 46,978.78