Finding the Fourth Proportional to 63,543.38, 95,329.71 and 21,990.38

Step by Step Solution

1. Step 1: Write the proportion equation
   63,543.38 : 95,329.71 = 21,990.38 : x
2. Step 2: Convert to fraction form
   63,543.38/95,329.71 = 21,990.38/x
3. Step 3: Cross multiply
   63,543.38x = 95,329.71 × 21,990.38
4. Step 4: Simplify right side
   63,543.38x = 2,096,336,071.54
5. Step 5: Solve for x
   x = 2,096,336,071.54/63,543.38
6. Step 6: Final answer
   x = 32,990.63