Finding the Fourth Proportional to 38,321.82, 52,884.54 and 21,554.82

Step by Step Solution

1. Step 1: Write the proportion equation
   38,321.82 : 52,884.54 = 21,554.82 : x
2. Step 2: Convert to fraction form
   38,321.82/52,884.54 = 21,554.82/x
3. Step 3: Cross multiply
   38,321.82x = 52,884.54 × 21,554.82
4. Step 4: Simplify right side
   38,321.82x = 1,139,916,740.48
5. Step 5: Solve for x
   x = 1,139,916,740.48/38,321.82
6. Step 6: Final answer
   x = 29,745.89