Finding the Fourth Proportional to 55,554.84, 76,665.72 and 30,404.40

Step by Step Solution

1. Step 1: Write the proportion equation
   55,554.84 : 76,665.72 = 30,404.40 : x
2. Step 2: Convert to fraction form
   55,554.84/76,665.72 = 30,404.40/x
3. Step 3: Cross multiply
   55,554.84x = 76,665.72 × 30,404.40
4. Step 4: Simplify right side
   55,554.84x = 2,330,975,217.17
5. Step 5: Solve for x
   x = 2,330,975,217.17/55,554.84
6. Step 6: Final answer
   x = 41,958.09