Finding the Fourth Proportional to 12,701.25, 17,528.27 and 7,395.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,701.25 : 17,528.27 = 7,395.21 : x
2. Step 2: Convert to fraction form
   12,701.25/17,528.27 = 7,395.21/x
3. Step 3: Cross multiply
   12,701.25x = 17,528.27 × 7,395.21
4. Step 4: Simplify right side
   12,701.25x = 129,625,200.61
5. Step 5: Solve for x
   x = 129,625,200.61/12,701.25
6. Step 6: Final answer
   x = 10,205.70