Finding the Fourth Proportional to 12,851.10, 17,734.23 and 7,261.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,851.10 : 17,734.23 = 7,261.98 : x
2. Step 2: Convert to fraction form
   12,851.10/17,734.23 = 7,261.98/x
3. Step 3: Cross multiply
   12,851.10x = 17,734.23 × 7,261.98
4. Step 4: Simplify right side
   12,851.10x = 128,785,623.58
5. Step 5: Solve for x
   x = 128,785,623.58/12,851.10
6. Step 6: Final answer
   x = 10,021.37