Finding the Fourth Proportional to 10,852.58, 14,972.15 and 7,074.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,852.58 : 14,972.15 = 7,074.42 : x
2. Step 2: Convert to fraction form
   10,852.58/14,972.15 = 7,074.42/x
3. Step 3: Cross multiply
   10,852.58x = 14,972.15 × 7,074.42
4. Step 4: Simplify right side
   10,852.58x = 105,919,295.09
5. Step 5: Solve for x
   x = 105,919,295.09/10,852.58
6. Step 6: Final answer
   x = 9,759.82