Finding the Fourth Proportional to 83,466.50, 125,248.95 and 30,912.89

Step by Step Solution

1. Step 1: Write the proportion equation
   83,466.50 : 125,248.95 = 30,912.89 : x
2. Step 2: Convert to fraction form
   83,466.50/125,248.95 = 30,912.89/x
3. Step 3: Cross multiply
   83,466.50x = 125,248.95 × 30,912.89
4. Step 4: Simplify right side
   83,466.50x = 3,871,806,387.72
5. Step 5: Solve for x
   x = 3,871,806,387.72/83,466.50
6. Step 6: Final answer
   x = 46,387.55