Finding the Fourth Proportional to 12,524.83, 17,284.59 and 7,148.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,524.83 : 17,284.59 = 7,148.45 : x
2. Step 2: Convert to fraction form
   12,524.83/17,284.59 = 7,148.45/x
3. Step 3: Cross multiply
   12,524.83x = 17,284.59 × 7,148.45
4. Step 4: Simplify right side
   12,524.83x = 123,558,070.60
5. Step 5: Solve for x
   x = 123,558,070.60/12,524.83
6. Step 6: Final answer
   x = 9,865.05