Finding the Fourth Proportional to 13,518.25, 18,654.98 and 7,550.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,518.25 : 18,654.98 = 7,550.01 : x
2. Step 2: Convert to fraction form
   13,518.25/18,654.98 = 7,550.01/x
3. Step 3: Cross multiply
   13,518.25x = 18,654.98 × 7,550.01
4. Step 4: Simplify right side
   13,518.25x = 140,845,285.55
5. Step 5: Solve for x
   x = 140,845,285.55/13,518.25
6. Step 6: Final answer
   x = 10,418.90