Finding the Fourth Proportional to 49,815.08, 68,746.12 and 30,707.48

Step by Step Solution

1. Step 1: Write the proportion equation
   49,815.08 : 68,746.12 = 30,707.48 : x
2. Step 2: Convert to fraction form
   49,815.08/68,746.12 = 30,707.48/x
3. Step 3: Cross multiply
   49,815.08x = 68,746.12 × 30,707.48
4. Step 4: Simplify right side
   49,815.08x = 2,111,020,104.98
5. Step 5: Solve for x
   x = 2,111,020,104.98/49,815.08
6. Step 6: Final answer
   x = 42,377.13