Finding the Fourth Proportional to 21,998.56, 30,328.64 and 17,476.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,998.56 : 30,328.64 = 17,476.25 : x
2. Step 2: Convert to fraction form
   21,998.56/30,328.64 = 17,476.25/x
3. Step 3: Cross multiply
   21,998.56x = 30,328.64 × 17,476.25
4. Step 4: Simplify right side
   21,998.56x = 530,030,808.69
5. Step 5: Solve for x
   x = 530,030,808.69/21,998.56
6. Step 6: Final answer
   x = 24,093.89