Finding the Fourth Proportional to 10,853.34, 14,972.49 and 7,076.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,853.34 : 14,972.49 = 7,076.58 : x
2. Step 2: Convert to fraction form
   10,853.34/14,972.49 = 7,076.58/x
3. Step 3: Cross multiply
   10,853.34x = 14,972.49 × 7,076.58
4. Step 4: Simplify right side
   10,853.34x = 105,954,023.28
5. Step 5: Solve for x
   x = 105,954,023.28/10,853.34
6. Step 6: Final answer
   x = 9,762.34