Finding the Fourth Proportional to 21,672.15, 32,484.82 and 10,554.27

Step by Step Solution

1. Step 1: Write the proportion equation
   21,672.15 : 32,484.82 = 10,554.27 : x
2. Step 2: Convert to fraction form
   21,672.15/32,484.82 = 10,554.27/x
3. Step 3: Cross multiply
   21,672.15x = 32,484.82 × 10,554.27
4. Step 4: Simplify right side
   21,672.15x = 342,853,561.18
5. Step 5: Solve for x
   x = 342,853,561.18/21,672.15
6. Step 6: Final answer
   x = 15,820.01