Finding the Fourth Proportional to 19,862.31, 29,804.41 and 12,076.59

Step by Step Solution

1. Step 1: Write the proportion equation
   19,862.31 : 29,804.41 = 12,076.59 : x
2. Step 2: Convert to fraction form
   19,862.31/29,804.41 = 12,076.59/x
3. Step 3: Cross multiply
   19,862.31x = 29,804.41 × 12,076.59
4. Step 4: Simplify right side
   19,862.31x = 359,935,698.69
5. Step 5: Solve for x
   x = 359,935,698.69/19,862.31
6. Step 6: Final answer
   x = 18,121.54