Finding the Fourth Proportional to 49,411.68, 68,171.76 and 28,176

Step by Step Solution

1. Step 1: Write the proportion equation
   49,411.68 : 68,171.76 = 28,176 : x
2. Step 2: Convert to fraction form
   49,411.68/68,171.76 = 28,176/x
3. Step 3: Cross multiply
   49,411.68x = 68,171.76 × 28,176
4. Step 4: Simplify right side
   49,411.68x = 1,920,807,509.76
5. Step 5: Solve for x
   x = 1,920,807,509.76/49,411.68
6. Step 6: Final answer
   x = 38,873.55