Finding the Fourth Proportional to 28,124.14, 42,186.72 and 9,404.27

Step by Step Solution

1. Step 1: Write the proportion equation
   28,124.14 : 42,186.72 = 9,404.27 : x
2. Step 2: Convert to fraction form
   28,124.14/42,186.72 = 9,404.27/x
3. Step 3: Cross multiply
   28,124.14x = 42,186.72 × 9,404.27
4. Step 4: Simplify right side
   28,124.14x = 396,735,317.30
5. Step 5: Solve for x
   x = 396,735,317.30/28,124.14
6. Step 6: Final answer
   x = 14,106.58