Finding the Fourth Proportional to 13,433.95, 18,538.88 and 7,466.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,433.95 : 18,538.88 = 7,466.18 : x
2. Step 2: Convert to fraction form
   13,433.95/18,538.88 = 7,466.18/x
3. Step 3: Cross multiply
   13,433.95x = 18,538.88 × 7,466.18
4. Step 4: Simplify right side
   13,433.95x = 138,414,485.05
5. Step 5: Solve for x
   x = 138,414,485.05/13,433.95
6. Step 6: Final answer
   x = 10,303.33