Finding the Fourth Proportional to 12,506.00, 17,259.80 and 7,200.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,506.00 : 17,259.80 = 7,200.72 : x
2. Step 2: Convert to fraction form
   12,506.00/17,259.80 = 7,200.72/x
3. Step 3: Cross multiply
   12,506.00x = 17,259.80 × 7,200.72
4. Step 4: Simplify right side
   12,506.00x = 124,282,951.05
5. Step 5: Solve for x
   x = 124,282,951.05/12,506.00
6. Step 6: Final answer
   x = 9,937.87