Finding the Fourth Proportional to 22,300.04, 33,447.30 and 12,945.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,300.04 : 33,447.30 = 12,945.14 : x
2. Step 2: Convert to fraction form
   22,300.04/33,447.30 = 12,945.14/x
3. Step 3: Cross multiply
   22,300.04x = 33,447.30 × 12,945.14
4. Step 4: Simplify right side
   22,300.04x = 432,979,981.12
5. Step 5: Solve for x
   x = 432,979,981.12/22,300.04
6. Step 6: Final answer
   x = 19,416.11