Finding the Fourth Proportional to 12,505.23, 17,258.85 and 7,200.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,505.23 : 17,258.85 = 7,200.27 : x
2. Step 2: Convert to fraction form
   12,505.23/17,258.85 = 7,200.27/x
3. Step 3: Cross multiply
   12,505.23x = 17,258.85 × 7,200.27
4. Step 4: Simplify right side
   12,505.23x = 124,268,379.89
5. Step 5: Solve for x
   x = 124,268,379.89/12,505.23
6. Step 6: Final answer
   x = 9,937.31