Finding the Fourth Proportional to 28,231.88, 42,348.69 and 10,466.96

Step by Step Solution

1. Step 1: Write the proportion equation
   28,231.88 : 42,348.69 = 10,466.96 : x
2. Step 2: Convert to fraction form
   28,231.88/42,348.69 = 10,466.96/x
3. Step 3: Cross multiply
   28,231.88x = 42,348.69 × 10,466.96
4. Step 4: Simplify right side
   28,231.88x = 443,261,832.54
5. Step 5: Solve for x
   x = 443,261,832.54/28,231.88
6. Step 6: Final answer
   x = 15,700.76