Finding the Fourth Proportional to 13,333.95, 18,398.73 and 7,667.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,333.95 : 18,398.73 = 7,667.59 : x
2. Step 2: Convert to fraction form
   13,333.95/18,398.73 = 7,667.59/x
3. Step 3: Cross multiply
   13,333.95x = 18,398.73 × 7,667.59
4. Step 4: Simplify right side
   13,333.95x = 141,073,918.16
5. Step 5: Solve for x
   x = 141,073,918.16/13,333.95
6. Step 6: Final answer
   x = 10,580.05