Finding the Fourth Proportional to 13,435.23, 18,542.10 and 7,693.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,435.23 : 18,542.10 = 7,693.25 : x
2. Step 2: Convert to fraction form
   13,435.23/18,542.10 = 7,693.25/x
3. Step 3: Cross multiply
   13,435.23x = 18,542.10 × 7,693.25
4. Step 4: Simplify right side
   13,435.23x = 142,648,946.96
5. Step 5: Solve for x
   x = 142,648,946.96/13,435.23
6. Step 6: Final answer
   x = 10,617.53