Finding the Fourth Proportional to 9,980.33, 14,980.88 and 7,350.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,980.33 : 14,980.88 = 7,350.81 : x
2. Step 2: Convert to fraction form
   9,980.33/14,980.88 = 7,350.81/x
3. Step 3: Cross multiply
   9,980.33x = 14,980.88 × 7,350.81
4. Step 4: Simplify right side
   9,980.33x = 110,121,620.89
5. Step 5: Solve for x
   x = 110,121,620.89/9,980.33
6. Step 6: Final answer
   x = 11,033.86