Finding the Fourth Proportional to 9,987.33, 14,966.73 and 7,334.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,987.33 : 14,966.73 = 7,334.02 : x
2. Step 2: Convert to fraction form
   9,987.33/14,966.73 = 7,334.02/x
3. Step 3: Cross multiply
   9,987.33x = 14,966.73 × 7,334.02
4. Step 4: Simplify right side
   9,987.33x = 109,766,260.48
5. Step 5: Solve for x
   x = 109,766,260.48/9,987.33
6. Step 6: Final answer
   x = 10,990.55