Finding the Fourth Proportional to 12,852.42, 17,735.40 and 7,108.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,852.42 : 17,735.40 = 7,108.74 : x
2. Step 2: Convert to fraction form
   12,852.42/17,735.40 = 7,108.74/x
3. Step 3: Cross multiply
   12,852.42x = 17,735.40 × 7,108.74
4. Step 4: Simplify right side
   12,852.42x = 126,076,347.40
5. Step 5: Solve for x
   x = 126,076,347.40/12,852.42
6. Step 6: Final answer
   x = 9,809.54