Finding the Fourth Proportional to 22,518.50, 31,075.53 and 12,582.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,518.50 : 31,075.53 = 12,582.50 : x
2. Step 2: Convert to fraction form
   22,518.50/31,075.53 = 12,582.50/x
3. Step 3: Cross multiply
   22,518.50x = 31,075.53 × 12,582.50
4. Step 4: Simplify right side
   22,518.50x = 391,007,856.23
5. Step 5: Solve for x
   x = 391,007,856.23/22,518.50
6. Step 6: Final answer
   x = 17,363.85