Finding the Fourth Proportional to 21,902.99, 32,854.01 and 7,111.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,902.99 : 32,854.01 = 7,111.88 : x
2. Step 2: Convert to fraction form
   21,902.99/32,854.01 = 7,111.88/x
3. Step 3: Cross multiply
   21,902.99x = 32,854.01 × 7,111.88
4. Step 4: Simplify right side
   21,902.99x = 233,653,576.81
5. Step 5: Solve for x
   x = 233,653,576.81/21,902.99
6. Step 6: Final answer
   x = 10,667.66