Finding the Fourth Proportional to 12,892.50, 17,791.65 and 7,303.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,892.50 : 17,791.65 = 7,303.50 : x
2. Step 2: Convert to fraction form
   12,892.50/17,791.65 = 7,303.50/x
3. Step 3: Cross multiply
   12,892.50x = 17,791.65 × 7,303.50
4. Step 4: Simplify right side
   12,892.50x = 129,941,315.78
5. Step 5: Solve for x
   x = 129,941,315.78/12,892.50
6. Step 6: Final answer
   x = 10,078.83