Finding the Fourth Proportional to 55,179, 82,571.58 and 47,808.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,179 : 82,571.58 = 47,808.72 : x
2. Step 2: Convert to fraction form
   55,179/82,571.58 = 47,808.72/x
3. Step 3: Cross multiply
   55,179x = 82,571.58 × 47,808.72
4. Step 4: Simplify right side
   55,179x = 3,947,641,548.18
5. Step 5: Solve for x
   x = 3,947,641,548.18/55,179
6. Step 6: Final answer
   x = 71,542.46