Finding the Fourth Proportional to 55,462, 83,142.24 and 20,374.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,462 : 83,142.24 = 20,374.96 : x
2. Step 2: Convert to fraction form
   55,462/83,142.24 = 20,374.96/x
3. Step 3: Cross multiply
   55,462x = 83,142.24 × 20,374.96
4. Step 4: Simplify right side
   55,462x = 1,694,019,814.31
5. Step 5: Solve for x
   x = 1,694,019,814.31/55,462
6. Step 6: Final answer
   x = 30,543.79