Finding the Fourth Proportional to 56,270.10, 77,649.83 and 30,771.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,270.10 : 77,649.83 = 30,771.50 : x
2. Step 2: Convert to fraction form
   56,270.10/77,649.83 = 30,771.50/x
3. Step 3: Cross multiply
   56,270.10x = 77,649.83 × 30,771.50
4. Step 4: Simplify right side
   56,270.10x = 2,389,401,743.85
5. Step 5: Solve for x
   x = 2,389,401,743.85/56,270.10
6. Step 6: Final answer
   x = 42,463.08