Finding the Fourth Proportional to 9,980.88, 14,972.04 and 3,060.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,980.88 : 14,972.04 = 3,060.24 : x
2. Step 2: Convert to fraction form
   9,980.88/14,972.04 = 3,060.24/x
3. Step 3: Cross multiply
   9,980.88x = 14,972.04 × 3,060.24
4. Step 4: Simplify right side
   9,980.88x = 45,818,035.69
5. Step 5: Solve for x
   x = 45,818,035.69/9,980.88
6. Step 6: Final answer
   x = 4,590.58