Finding the Fourth Proportional to 13,423.02, 18,522.22 and 7,453.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,423.02 : 18,522.22 = 7,453.72 : x
2. Step 2: Convert to fraction form
   13,423.02/18,522.22 = 7,453.72/x
3. Step 3: Cross multiply
   13,423.02x = 18,522.22 × 7,453.72
4. Step 4: Simplify right side
   13,423.02x = 138,059,460.15
5. Step 5: Solve for x
   x = 138,059,460.15/13,423.02
6. Step 6: Final answer
   x = 10,285.28