Finding the Fourth Proportional to 49,069.98, 67,761.54 and 31,170.76

Step by Step Solution

1. Step 1: Write the proportion equation
   49,069.98 : 67,761.54 = 31,170.76 : x
2. Step 2: Convert to fraction form
   49,069.98/67,761.54 = 31,170.76/x
3. Step 3: Cross multiply
   49,069.98x = 67,761.54 × 31,170.76
4. Step 4: Simplify right side
   49,069.98x = 2,112,178,700.57
5. Step 5: Solve for x
   x = 2,112,178,700.57/49,069.98
6. Step 6: Final answer
   x = 43,044.21