Finding the Fourth Proportional to 49,014.74, 67,628.55 and 28,870.04

Step by Step Solution

1. Step 1: Write the proportion equation
   49,014.74 : 67,628.55 = 28,870.04 : x
2. Step 2: Convert to fraction form
   49,014.74/67,628.55 = 28,870.04/x
3. Step 3: Cross multiply
   49,014.74x = 67,628.55 × 28,870.04
4. Step 4: Simplify right side
   49,014.74x = 1,952,438,943.64
5. Step 5: Solve for x
   x = 1,952,438,943.64/49,014.74
6. Step 6: Final answer
   x = 39,833.71