Finding the Fourth Proportional to 13,357.43, 18,432.71 and 7,692.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,357.43 : 18,432.71 = 7,692.38 : x
2. Step 2: Convert to fraction form
   13,357.43/18,432.71 = 7,692.38/x
3. Step 3: Cross multiply
   13,357.43x = 18,432.71 × 7,692.38
4. Step 4: Simplify right side
   13,357.43x = 141,791,279.12
5. Step 5: Solve for x
   x = 141,791,279.12/13,357.43
6. Step 6: Final answer
   x = 10,615.17