Finding the Fourth Proportional to 21,907.70, 32,866.35 and 7,114.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,907.70 : 32,866.35 = 7,114.10 : x
2. Step 2: Convert to fraction form
   21,907.70/32,866.35 = 7,114.10/x
3. Step 3: Cross multiply
   21,907.70x = 32,866.35 × 7,114.10
4. Step 4: Simplify right side
   21,907.70x = 233,814,500.54
5. Step 5: Solve for x
   x = 233,814,500.54/21,907.70
6. Step 6: Final answer
   x = 10,672.71