Finding the Fourth Proportional to 21,859.74, 32,789.34 and 7,068.33

Step by Step Solution

1. Step 1: Write the proportion equation
   21,859.74 : 32,789.34 = 7,068.33 : x
2. Step 2: Convert to fraction form
   21,859.74/32,789.34 = 7,068.33/x
3. Step 3: Cross multiply
   21,859.74x = 32,789.34 × 7,068.33
4. Step 4: Simplify right side
   21,859.74x = 231,765,875.60
5. Step 5: Solve for x
   x = 231,765,875.60/21,859.74
6. Step 6: Final answer
   x = 10,602.41