Finding the Fourth Proportional to 49,209.24, 67,914.84 and 31,086.36

Step by Step Solution

1. Step 1: Write the proportion equation
   49,209.24 : 67,914.84 = 31,086.36 : x
2. Step 2: Convert to fraction form
   49,209.24/67,914.84 = 31,086.36/x
3. Step 3: Cross multiply
   49,209.24x = 67,914.84 × 31,086.36
4. Step 4: Simplify right side
   49,209.24x = 2,111,225,165.58
5. Step 5: Solve for x
   x = 2,111,225,165.58/49,209.24
6. Step 6: Final answer
   x = 42,903.02