Finding the Fourth Proportional to 49,044, 67,680.72 and 29,172

Step by Step Solution

1. Step 1: Write the proportion equation
   49,044 : 67,680.72 = 29,172 : x
2. Step 2: Convert to fraction form
   49,044/67,680.72 = 29,172/x
3. Step 3: Cross multiply
   49,044x = 67,680.72 × 29,172
4. Step 4: Simplify right side
   49,044x = 1,974,381,963.84
5. Step 5: Solve for x
   x = 1,974,381,963.84/49,044
6. Step 6: Final answer
   x = 40,257.36