Finding the Fourth Proportional to 10,962.50, 15,128.50 and 5,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,962.50 : 15,128.50 = 5,994.50 : x
2. Step 2: Convert to fraction form
   10,962.50/15,128.50 = 5,994.50/x
3. Step 3: Cross multiply
   10,962.50x = 15,128.50 × 5,994.50
4. Step 4: Simplify right side
   10,962.50x = 90,687,793.25
5. Step 5: Solve for x
   x = 90,687,793.25/10,962.50
6. Step 6: Final answer
   x = 8,272.55