Finding the Fourth Proportional to 21,596.71, 32,403.73 and 10,502.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,596.71 : 32,403.73 = 10,502.25 : x
2. Step 2: Convert to fraction form
   21,596.71/32,403.73 = 10,502.25/x
3. Step 3: Cross multiply
   21,596.71x = 32,403.73 × 10,502.25
4. Step 4: Simplify right side
   21,596.71x = 340,312,073.39
5. Step 5: Solve for x
   x = 340,312,073.39/21,596.71
6. Step 6: Final answer
   x = 15,757.59