Finding the Fourth Proportional to 22,030.50, 30,400.89 and 12,471.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,030.50 : 30,400.89 = 12,471.51 : x
2. Step 2: Convert to fraction form
   22,030.50/30,400.89 = 12,471.51/x
3. Step 3: Cross multiply
   22,030.50x = 30,400.89 × 12,471.51
4. Step 4: Simplify right side
   22,030.50x = 379,145,003.64
5. Step 5: Solve for x
   x = 379,145,003.64/22,030.50
6. Step 6: Final answer
   x = 17,210.00