Finding the Fourth Proportional to 9,980.01, 14,972.85 and 5,048.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,980.01 : 14,972.85 = 5,048.73 : x
2. Step 2: Convert to fraction form
   9,980.01/14,972.85 = 5,048.73/x
3. Step 3: Cross multiply
   9,980.01x = 14,972.85 × 5,048.73
4. Step 4: Simplify right side
   9,980.01x = 75,593,876.98
5. Step 5: Solve for x
   x = 75,593,876.98/9,980.01
6. Step 6: Final answer
   x = 7,574.53