Finding the Fourth Proportional to 21,046.82, 29,032.83 and 13,375.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,046.82 : 29,032.83 = 13,375.94 : x
2. Step 2: Convert to fraction form
   21,046.82/29,032.83 = 13,375.94/x
3. Step 3: Cross multiply
   21,046.82x = 29,032.83 × 13,375.94
4. Step 4: Simplify right side
   21,046.82x = 388,341,246.95
5. Step 5: Solve for x
   x = 388,341,246.95/21,046.82
6. Step 6: Final answer
   x = 18,451.31