Finding the Fourth Proportional to 123,900.96, 185,823.42 and 57,304.54

Step by Step Solution

1. Step 1: Write the proportion equation
   123,900.96 : 185,823.42 = 57,304.54 : x
2. Step 2: Convert to fraction form
   123,900.96/185,823.42 = 57,304.54/x
3. Step 3: Cross multiply
   123,900.96x = 185,823.42 × 57,304.54
4. Step 4: Simplify right side
   123,900.96x = 10,648,525,604.33
5. Step 5: Solve for x
   x = 10,648,525,604.33/123,900.96
6. Step 6: Final answer
   x = 85,943.85