Finding the Fourth Proportional to 21,872.03, 32,810.27 and 7,833.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,872.03 : 32,810.27 = 7,833.31 : x
2. Step 2: Convert to fraction form
   21,872.03/32,810.27 = 7,833.31/x
3. Step 3: Cross multiply
   21,872.03x = 32,810.27 × 7,833.31
4. Step 4: Simplify right side
   21,872.03x = 257,012,894.90
5. Step 5: Solve for x
   x = 257,012,894.90/21,872.03
6. Step 6: Final answer
   x = 11,750.76