Finding the Fourth Proportional to 22,849.50, 31,536.63 and 12,913.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,849.50 : 31,536.63 = 12,913.50 : x
2. Step 2: Convert to fraction form
   22,849.50/31,536.63 = 12,913.50/x
3. Step 3: Cross multiply
   22,849.50x = 31,536.63 × 12,913.50
4. Step 4: Simplify right side
   22,849.50x = 407,248,271.51
5. Step 5: Solve for x
   x = 407,248,271.51/22,849.50
6. Step 6: Final answer
   x = 17,823.07