Finding the Fourth Proportional to 21,877.02, 32,826.24 and 13,554.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,877.02 : 32,826.24 = 13,554.82 : x
2. Step 2: Convert to fraction form
   21,877.02/32,826.24 = 13,554.82/x
3. Step 3: Cross multiply
   21,877.02x = 32,826.24 × 13,554.82
4. Step 4: Simplify right side
   21,877.02x = 444,953,774.48
5. Step 5: Solve for x
   x = 444,953,774.48/21,877.02
6. Step 6: Final answer
   x = 20,338.87