Finding the Fourth Proportional to 55,705.38, 76,873.42 and 30,554.34

Step by Step Solution

1. Step 1: Write the proportion equation
   55,705.38 : 76,873.42 = 30,554.34 : x
2. Step 2: Convert to fraction form
   55,705.38/76,873.42 = 30,554.34/x
3. Step 3: Cross multiply
   55,705.38x = 76,873.42 × 30,554.34
4. Step 4: Simplify right side
   55,705.38x = 2,348,816,611.64
5. Step 5: Solve for x
   x = 2,348,816,611.64/55,705.38
6. Step 6: Final answer
   x = 42,164.99