Finding the Fourth Proportional to 21,765.30, 32,637.01 and 10,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,765.30 : 32,637.01 = 10,086.72 : x
2. Step 2: Convert to fraction form
   21,765.30/32,637.01 = 10,086.72/x
3. Step 3: Cross multiply
   21,765.30x = 32,637.01 × 10,086.72
4. Step 4: Simplify right side
   21,765.30x = 329,200,381.51
5. Step 5: Solve for x
   x = 329,200,381.51/21,765.30
6. Step 6: Final answer
   x = 15,125.01