Finding the Fourth Proportional to 49,079.82, 67,732.86 and 28,948.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,079.82 : 67,732.86 = 28,948.50 : x
2. Step 2: Convert to fraction form
   49,079.82/67,732.86 = 28,948.50/x
3. Step 3: Cross multiply
   49,079.82x = 67,732.86 × 28,948.50
4. Step 4: Simplify right side
   49,079.82x = 1,960,764,697.71
5. Step 5: Solve for x
   x = 1,960,764,697.71/49,079.82
6. Step 6: Final answer
   x = 39,950.53