Finding the Fourth Proportional to 28,224.47, 42,321.57 and 9,498.29

Step by Step Solution

1. Step 1: Write the proportion equation
   28,224.47 : 42,321.57 = 9,498.29 : x
2. Step 2: Convert to fraction form
   28,224.47/42,321.57 = 9,498.29/x
3. Step 3: Cross multiply
   28,224.47x = 42,321.57 × 9,498.29
4. Step 4: Simplify right side
   28,224.47x = 401,982,333.51
5. Step 5: Solve for x
   x = 401,982,333.51/28,224.47
6. Step 6: Final answer
   x = 14,242.34