Finding the Fourth Proportional to 10,851.72, 14,987.68 and 7,308.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,851.72 : 14,987.68 = 7,308.80 : x
2. Step 2: Convert to fraction form
   10,851.72/14,987.68 = 7,308.80/x
3. Step 3: Cross multiply
   10,851.72x = 14,987.68 × 7,308.80
4. Step 4: Simplify right side
   10,851.72x = 109,541,955.58
5. Step 5: Solve for x
   x = 109,541,955.58/10,851.72
6. Step 6: Final answer
   x = 10,094.43