Finding the Fourth Proportional to 13,627.55, 18,805.42 and 7,962.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,627.55 : 18,805.42 = 7,962.83 : x
2. Step 2: Convert to fraction form
   13,627.55/18,805.42 = 7,962.83/x
3. Step 3: Cross multiply
   13,627.55x = 18,805.42 × 7,962.83
4. Step 4: Simplify right side
   13,627.55x = 149,744,248.60
5. Step 5: Solve for x
   x = 149,744,248.60/13,627.55
6. Step 6: Final answer
   x = 10,988.35