Finding the Fourth Proportional to 21,926.01, 32,892.45 and 7,131.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,926.01 : 32,892.45 = 7,131.46 : x
2. Step 2: Convert to fraction form
   21,926.01/32,892.45 = 7,131.46/x
3. Step 3: Cross multiply
   21,926.01x = 32,892.45 × 7,131.46
4. Step 4: Simplify right side
   21,926.01x = 234,571,091.42
5. Step 5: Solve for x
   x = 234,571,091.42/21,926.01
6. Step 6: Final answer
   x = 10,698.30