Finding the Fourth Proportional to 57,061.06, 85,628.31 and 30,783.94

Step by Step Solution

1. Step 1: Write the proportion equation
   57,061.06 : 85,628.31 = 30,783.94 : x
2. Step 2: Convert to fraction form
   57,061.06/85,628.31 = 30,783.94/x
3. Step 3: Cross multiply
   57,061.06x = 85,628.31 × 30,783.94
4. Step 4: Simplify right side
   57,061.06x = 2,635,976,757.34
5. Step 5: Solve for x
   x = 2,635,976,757.34/57,061.06
6. Step 6: Final answer
   x = 46,195.72