Finding the Fourth Proportional to 28,141.22, 42,181.76 and 9,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   28,141.22 : 42,181.76 = 9,404.10 : x
2. Step 2: Convert to fraction form
   28,141.22/42,181.76 = 9,404.10/x
3. Step 3: Cross multiply
   28,141.22x = 42,181.76 × 9,404.10
4. Step 4: Simplify right side
   28,141.22x = 396,681,512.73
5. Step 5: Solve for x
   x = 396,681,512.73/28,141.22
6. Step 6: Final answer
   x = 14,096.10