Finding the Fourth Proportional to 55,356.41, 82,971.69 and 48,679.89

Step by Step Solution

1. Step 1: Write the proportion equation
   55,356.41 : 82,971.69 = 48,679.89 : x
2. Step 2: Convert to fraction form
   55,356.41/82,971.69 = 48,679.89/x
3. Step 3: Cross multiply
   55,356.41x = 82,971.69 × 48,679.89
4. Step 4: Simplify right side
   55,356.41x = 4,039,052,522.45
5. Step 5: Solve for x
   x = 4,039,052,522.45/55,356.41
6. Step 6: Final answer
   x = 72,964.49