Finding the Fourth Proportional to 55,364.18, 76,402.54 and 30,213.68

Step by Step Solution

1. Step 1: Write the proportion equation
   55,364.18 : 76,402.54 = 30,213.68 : x
2. Step 2: Convert to fraction form
   55,364.18/76,402.54 = 30,213.68/x
3. Step 3: Cross multiply
   55,364.18x = 76,402.54 × 30,213.68
4. Step 4: Simplify right side
   55,364.18x = 2,308,401,550.50
5. Step 5: Solve for x
   x = 2,308,401,550.50/55,364.18
6. Step 6: Final answer
   x = 41,694.86