Finding the Fourth Proportional to 82,119.02, 123,178.32 and 19,789.52

Step by Step Solution

1. Step 1: Write the proportion equation
   82,119.02 : 123,178.32 = 19,789.52 : x
2. Step 2: Convert to fraction form
   82,119.02/123,178.32 = 19,789.52/x
3. Step 3: Cross multiply
   82,119.02x = 123,178.32 × 19,789.52
4. Step 4: Simplify right side
   82,119.02x = 2,437,639,211.31
5. Step 5: Solve for x
   x = 2,437,639,211.31/82,119.02
6. Step 6: Final answer
   x = 29,684.22