Finding the Fourth Proportional to 9,878.54, 14,814.72 and 3,303.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,878.54 : 14,814.72 = 3,303.20 : x
2. Step 2: Convert to fraction form
   9,878.54/14,814.72 = 3,303.20/x
3. Step 3: Cross multiply
   9,878.54x = 14,814.72 × 3,303.20
4. Step 4: Simplify right side
   9,878.54x = 48,935,909.03
5. Step 5: Solve for x
   x = 48,935,909.03/9,878.54
6. Step 6: Final answer
   x = 4,953.76