Finding the Fourth Proportional to 55,363.50, 76,401.70 and 30,213

Step by Step Solution

1. Step 1: Write the proportion equation
   55,363.50 : 76,401.70 = 30,213 : x
2. Step 2: Convert to fraction form
   55,363.50/76,401.70 = 30,213/x
3. Step 3: Cross multiply
   55,363.50x = 76,401.70 × 30,213
4. Step 4: Simplify right side
   55,363.50x = 2,308,324,486.57
5. Step 5: Solve for x
   x = 2,308,324,486.57/55,363.50
6. Step 6: Final answer
   x = 41,693.98