Finding the Fourth Proportional to 52,550.12, 72,483.06 and 31,313

Step by Step Solution

1. Step 1: Write the proportion equation
   52,550.12 : 72,483.06 = 31,313 : x
2. Step 2: Convert to fraction form
   52,550.12/72,483.06 = 31,313/x
3. Step 3: Cross multiply
   52,550.12x = 72,483.06 × 31,313
4. Step 4: Simplify right side
   52,550.12x = 2,269,662,057.78
5. Step 5: Solve for x
   x = 2,269,662,057.78/52,550.12
6. Step 6: Final answer
   x = 43,190.43