Finding the Fourth Proportional to 13,333.95, 18,395.15 and 7,667.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,333.95 : 18,395.15 = 7,667.42 : x
2. Step 2: Convert to fraction form
   13,333.95/18,395.15 = 7,667.42/x
3. Step 3: Cross multiply
   13,333.95x = 18,395.15 × 7,667.42
4. Step 4: Simplify right side
   13,333.95x = 141,043,210.70
5. Step 5: Solve for x
   x = 141,043,210.70/13,333.95
6. Step 6: Final answer
   x = 10,577.75