Finding the Fourth Proportional to 9,528.43, 14,290.33 and 3,978.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,528.43 : 14,290.33 = 3,978.76 : x
2. Step 2: Convert to fraction form
   9,528.43/14,290.33 = 3,978.76/x
3. Step 3: Cross multiply
   9,528.43x = 14,290.33 × 3,978.76
4. Step 4: Simplify right side
   9,528.43x = 56,857,793.39
5. Step 5: Solve for x
   x = 56,857,793.39/9,528.43
6. Step 6: Final answer
   x = 5,967.17