Finding the Fourth Proportional to 82,101.50, 123,152.28 and 19,772

Step by Step Solution

1. Step 1: Write the proportion equation
   82,101.50 : 123,152.28 = 19,772 : x
2. Step 2: Convert to fraction form
   82,101.50/123,152.28 = 19,772/x
3. Step 3: Cross multiply
   82,101.50x = 123,152.28 × 19,772
4. Step 4: Simplify right side
   82,101.50x = 2,434,966,880.16
5. Step 5: Solve for x
   x = 2,434,966,880.16/82,101.50
6. Step 6: Final answer
   x = 29,658.01