Finding the Fourth Proportional to 49,002.60, 67,628.61 and 28,865.82

Step by Step Solution

1. Step 1: Write the proportion equation
   49,002.60 : 67,628.61 = 28,865.82 : x
2. Step 2: Convert to fraction form
   49,002.60/67,628.61 = 28,865.82/x
3. Step 3: Cross multiply
   49,002.60x = 67,628.61 × 28,865.82
4. Step 4: Simplify right side
   49,002.60x = 1,952,155,283.11
5. Step 5: Solve for x
   x = 1,952,155,283.11/49,002.60
6. Step 6: Final answer
   x = 39,837.79