Finding the Fourth Proportional to 60,806, 83,912.28 and 34,310

Step by Step Solution

1. Step 1: Write the proportion equation
   60,806 : 83,912.28 = 34,310 : x
2. Step 2: Convert to fraction form
   60,806/83,912.28 = 34,310/x
3. Step 3: Cross multiply
   60,806x = 83,912.28 × 34,310
4. Step 4: Simplify right side
   60,806x = 2,879,030,326.80
5. Step 5: Solve for x
   x = 2,879,030,326.80/60,806
6. Step 6: Final answer
   x = 47,347.80