Finding the Fourth Proportional to 21,830.33, 30,056.78 and 19,834.92

Step by Step Solution

1. Step 1: Write the proportion equation
   21,830.33 : 30,056.78 = 19,834.92 : x
2. Step 2: Convert to fraction form
   21,830.33/30,056.78 = 19,834.92/x
3. Step 3: Cross multiply
   21,830.33x = 30,056.78 × 19,834.92
4. Step 4: Simplify right side
   21,830.33x = 596,173,876.34
5. Step 5: Solve for x
   x = 596,173,876.34/21,830.33
6. Step 6: Final answer
   x = 27,309.43