Finding the Fourth Proportional to 22,047.10, 30,427.25 and 12,976.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,047.10 : 30,427.25 = 12,976.01 : x
2. Step 2: Convert to fraction form
   22,047.10/30,427.25 = 12,976.01/x
3. Step 3: Cross multiply
   22,047.10x = 30,427.25 × 12,976.01
4. Step 4: Simplify right side
   22,047.10x = 394,824,368.51
5. Step 5: Solve for x
   x = 394,824,368.51/22,047.10
6. Step 6: Final answer
   x = 17,908.22