Finding the Fourth Proportional to 28,548.04, 42,775.98 and 17,581

Step by Step Solution

1. Step 1: Write the proportion equation
   28,548.04 : 42,775.98 = 17,581 : x
2. Step 2: Convert to fraction form
   28,548.04/42,775.98 = 17,581/x
3. Step 3: Cross multiply
   28,548.04x = 42,775.98 × 17,581
4. Step 4: Simplify right side
   28,548.04x = 752,044,504.38
5. Step 5: Solve for x
   x = 752,044,504.38/28,548.04
6. Step 6: Final answer
   x = 26,343.12