Finding the Fourth Proportional to 49,815.36, 68,749.32 and 28,598.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,815.36 : 68,749.32 = 28,598.72 : x
2. Step 2: Convert to fraction form
   49,815.36/68,749.32 = 28,598.72/x
3. Step 3: Cross multiply
   49,815.36x = 68,749.32 × 28,598.72
4. Step 4: Simplify right side
   49,815.36x = 1,966,142,552.87
5. Step 5: Solve for x
   x = 1,966,142,552.87/49,815.36
6. Step 6: Final answer
   x = 39,468.60