Finding the Fourth Proportional to 55,365.50, 76,404.39 and 30,215

Step by Step Solution

1. Step 1: Write the proportion equation
   55,365.50 : 76,404.39 = 30,215 : x
2. Step 2: Convert to fraction form
   55,365.50/76,404.39 = 30,215/x
3. Step 3: Cross multiply
   55,365.50x = 76,404.39 × 30,215
4. Step 4: Simplify right side
   55,365.50x = 2,308,558,643.85
5. Step 5: Solve for x
   x = 2,308,558,643.85/55,365.50
6. Step 6: Final answer
   x = 41,696.70