Finding the Fourth Proportional to 28,269.88, 42,404.82 and 8,548.00

Step by Step Solution

1. Step 1: Write the proportion equation
   28,269.88 : 42,404.82 = 8,548.00 : x
2. Step 2: Convert to fraction form
   28,269.88/42,404.82 = 8,548.00/x
3. Step 3: Cross multiply
   28,269.88x = 42,404.82 × 8,548.00
4. Step 4: Simplify right side
   28,269.88x = 362,476,146.60
5. Step 5: Solve for x
   x = 362,476,146.60/28,269.88
6. Step 6: Final answer
   x = 12,821.99