Finding the Fourth Proportional to 49,621.68, 68,483.52 and 28,404

Step by Step Solution

1. Step 1: Write the proportion equation
   49,621.68 : 68,483.52 = 28,404 : x
2. Step 2: Convert to fraction form
   49,621.68/68,483.52 = 28,404/x
3. Step 3: Cross multiply
   49,621.68x = 68,483.52 × 28,404
4. Step 4: Simplify right side
   49,621.68x = 1,945,205,902.08
5. Step 5: Solve for x
   x = 1,945,205,902.08/49,621.68
6. Step 6: Final answer
   x = 39,200.73