Finding the Fourth Proportional to 9,660.52, 14,483.94 and 4,978.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,660.52 : 14,483.94 = 4,978.51 : x
2. Step 2: Convert to fraction form
   9,660.52/14,483.94 = 4,978.51/x
3. Step 3: Cross multiply
   9,660.52x = 14,483.94 × 4,978.51
4. Step 4: Simplify right side
   9,660.52x = 72,108,440.13
5. Step 5: Solve for x
   x = 72,108,440.13/9,660.52
6. Step 6: Final answer
   x = 7,464.24