Finding the Fourth Proportional to 21,922.05, 32,875.72 and 7,127.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,922.05 : 32,875.72 = 7,127.34 : x
2. Step 2: Convert to fraction form
   21,922.05/32,875.72 = 7,127.34/x
3. Step 3: Cross multiply
   21,922.05x = 32,875.72 × 7,127.34
4. Step 4: Simplify right side
   21,922.05x = 234,316,434.18
5. Step 5: Solve for x
   x = 234,316,434.18/21,922.05
6. Step 6: Final answer
   x = 10,688.62