Finding the Fourth Proportional to 12,902.50, 17,805.33 and 7,313.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,902.50 : 17,805.33 = 7,313.50 : x
2. Step 2: Convert to fraction form
   12,902.50/17,805.33 = 7,313.50/x
3. Step 3: Cross multiply
   12,902.50x = 17,805.33 × 7,313.50
4. Step 4: Simplify right side
   12,902.50x = 130,219,280.96
5. Step 5: Solve for x
   x = 130,219,280.96/12,902.50
6. Step 6: Final answer
   x = 10,092.56