Finding the Fourth Proportional to 21,902.82, 32,859.42 and 7,111.74

Step by Step Solution

1. Step 1: Write the proportion equation
   21,902.82 : 32,859.42 = 7,111.74 : x
2. Step 2: Convert to fraction form
   21,902.82/32,859.42 = 7,111.74/x
3. Step 3: Cross multiply
   21,902.82x = 32,859.42 × 7,111.74
4. Step 4: Simplify right side
   21,902.82x = 233,687,651.59
5. Step 5: Solve for x
   x = 233,687,651.59/21,902.82
6. Step 6: Final answer
   x = 10,669.30