Finding the Fourth Proportional to 55,704, 76,871.52 and 30,553.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,704 : 76,871.52 = 30,553.56 : x
2. Step 2: Convert to fraction form
   55,704/76,871.52 = 30,553.56/x
3. Step 3: Cross multiply
   55,704x = 76,871.52 × 30,553.56
4. Step 4: Simplify right side
   55,704x = 2,348,698,598.61
5. Step 5: Solve for x
   x = 2,348,698,598.61/55,704
6. Step 6: Final answer
   x = 42,163.91