Finding the Fourth Proportional to 55,429.25, 83,152.09 and 20,366.18

Step by Step Solution

1. Step 1: Write the proportion equation
   55,429.25 : 83,152.09 = 20,366.18 : x
2. Step 2: Convert to fraction form
   55,429.25/83,152.09 = 20,366.18/x
3. Step 3: Cross multiply
   55,429.25x = 83,152.09 × 20,366.18
4. Step 4: Simplify right side
   55,429.25x = 1,693,490,016.56
5. Step 5: Solve for x
   x = 1,693,490,016.56/55,429.25
6. Step 6: Final answer
   x = 30,552.28