Finding the Fourth Proportional to 21,938.58, 32,892.51 and 8,083.86

Step by Step Solution

1. Step 1: Write the proportion equation
   21,938.58 : 32,892.51 = 8,083.86 : x
2. Step 2: Convert to fraction form
   21,938.58/32,892.51 = 8,083.86/x
3. Step 3: Cross multiply
   21,938.58x = 32,892.51 × 8,083.86
4. Step 4: Simplify right side
   21,938.58x = 265,898,445.89
5. Step 5: Solve for x
   x = 265,898,445.89/21,938.58
6. Step 6: Final answer
   x = 12,120.13