Finding the Fourth Proportional to 9,625.76, 13,284.76 and 5,434.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,625.76 : 13,284.76 = 5,434.88 : x
2. Step 2: Convert to fraction form
   9,625.76/13,284.76 = 5,434.88/x
3. Step 3: Cross multiply
   9,625.76x = 13,284.76 × 5,434.88
4. Step 4: Simplify right side
   9,625.76x = 72,201,076.43
5. Step 5: Solve for x
   x = 72,201,076.43/9,625.76
6. Step 6: Final answer
   x = 7,500.82