Finding the Fourth Proportional to 9,981.20, 14,980.96 and 5,054.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.20 : 14,980.96 = 5,054.24 : x
2. Step 2: Convert to fraction form
   9,981.20/14,980.96 = 5,054.24/x
3. Step 3: Cross multiply
   9,981.20x = 14,980.96 × 5,054.24
4. Step 4: Simplify right side
   9,981.20x = 75,717,367.27
5. Step 5: Solve for x
   x = 75,717,367.27/9,981.20
6. Step 6: Final answer
   x = 7,586.00