Finding the Fourth Proportional to 22,596.90, 31,176.59 and 13,035.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,596.90 : 31,176.59 = 13,035.50 : x
2. Step 2: Convert to fraction form
   22,596.90/31,176.59 = 13,035.50/x
3. Step 3: Cross multiply
   22,596.90x = 31,176.59 × 13,035.50
4. Step 4: Simplify right side
   22,596.90x = 406,402,217.88
5. Step 5: Solve for x
   x = 406,402,217.88/22,596.90
6. Step 6: Final answer
   x = 17,984.87