Finding the Fourth Proportional to 12,583.52, 17,365.59 and 6,918.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,583.52 : 17,365.59 = 6,918.50 : x
2. Step 2: Convert to fraction form
   12,583.52/17,365.59 = 6,918.50/x
3. Step 3: Cross multiply
   12,583.52x = 17,365.59 × 6,918.50
4. Step 4: Simplify right side
   12,583.52x = 120,143,877.83
5. Step 5: Solve for x
   x = 120,143,877.83/12,583.52
6. Step 6: Final answer
   x = 9,547.72