Finding the Fourth Proportional to 55,561, 76,674.18 and 30,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,561 : 76,674.18 = 30,410.50 : x
2. Step 2: Convert to fraction form
   55,561/76,674.18 = 30,410.50/x
3. Step 3: Cross multiply
   55,561x = 76,674.18 × 30,410.50
4. Step 4: Simplify right side
   55,561x = 2,331,700,150.89
5. Step 5: Solve for x
   x = 2,331,700,150.89/55,561
6. Step 6: Final answer
   x = 41,966.49