Finding the Fourth Proportional to 55,852.45, 77,050.69 and 49,485.54

Step by Step Solution

1. Step 1: Write the proportion equation
   55,852.45 : 77,050.69 = 49,485.54 : x
2. Step 2: Convert to fraction form
   55,852.45/77,050.69 = 49,485.54/x
3. Step 3: Cross multiply
   55,852.45x = 77,050.69 × 49,485.54
4. Step 4: Simplify right side
   55,852.45x = 3,812,895,002.02
5. Step 5: Solve for x
   x = 3,812,895,002.02/55,852.45
6. Step 6: Final answer
   x = 68,267.28