Finding the Fourth Proportional to 21,796.38, 32,700.76 and 11,272.15

Step by Step Solution

1. Step 1: Write the proportion equation
   21,796.38 : 32,700.76 = 11,272.15 : x
2. Step 2: Convert to fraction form
   21,796.38/32,700.76 = 11,272.15/x
3. Step 3: Cross multiply
   21,796.38x = 32,700.76 × 11,272.15
4. Step 4: Simplify right side
   21,796.38x = 368,607,871.83
5. Step 5: Solve for x
   x = 368,607,871.83/21,796.38
6. Step 6: Final answer
   x = 16,911.43