Finding the Fourth Proportional to 55,607.54, 76,738.47 and 30,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,607.54 : 76,738.47 = 30,456.50 : x
2. Step 2: Convert to fraction form
   55,607.54/76,738.47 = 30,456.50/x
3. Step 3: Cross multiply
   55,607.54x = 76,738.47 × 30,456.50
4. Step 4: Simplify right side
   55,607.54x = 2,337,185,211.56
5. Step 5: Solve for x
   x = 2,337,185,211.56/55,607.54
6. Step 6: Final answer
   x = 42,030.01