Finding the Fourth Proportional to 9,980.76, 14,973.98 and 5,049.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,980.76 : 14,973.98 = 5,049.48 : x
2. Step 2: Convert to fraction form
   9,980.76/14,973.98 = 5,049.48/x
3. Step 3: Cross multiply
   9,980.76x = 14,973.98 × 5,049.48
4. Step 4: Simplify right side
   9,980.76x = 75,610,787.28
5. Step 5: Solve for x
   x = 75,610,787.28/9,980.76
6. Step 6: Final answer
   x = 7,575.65