Finding the Fourth Proportional to 22,946.76, 31,663.71 and 13,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,946.76 : 31,663.71 = 13,513.50 : x
2. Step 2: Convert to fraction form
   22,946.76/31,663.71 = 13,513.50/x
3. Step 3: Cross multiply
   22,946.76x = 31,663.71 × 13,513.50
4. Step 4: Simplify right side
   22,946.76x = 427,887,545.09
5. Step 5: Solve for x
   x = 427,887,545.09/22,946.76
6. Step 6: Final answer
   x = 18,646.97