Finding the Fourth Proportional to 13,346.98, 18,418.52 and 7,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,346.98 : 18,418.52 = 7,605.50 : x
2. Step 2: Convert to fraction form
   13,346.98/18,418.52 = 7,605.50/x
3. Step 3: Cross multiply
   13,346.98x = 18,418.52 × 7,605.50
4. Step 4: Simplify right side
   13,346.98x = 140,081,980.78
5. Step 5: Solve for x
   x = 140,081,980.78/13,346.98
6. Step 6: Final answer
   x = 10,495.41