Finding the Fourth Proportional to 55,701, 76,871.03 and 30,550.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,701 : 76,871.03 = 30,550.50 : x
2. Step 2: Convert to fraction form
   55,701/76,871.03 = 30,550.50/x
3. Step 3: Cross multiply
   55,701x = 76,871.03 × 30,550.50
4. Step 4: Simplify right side
   55,701x = 2,348,448,402.02
5. Step 5: Solve for x
   x = 2,348,448,402.02/55,701
6. Step 6: Final answer
   x = 42,161.69