Finding the Fourth Proportional to 55,535.20, 83,702.56 and 47,836.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,535.20 : 83,702.56 = 47,836.96 : x
2. Step 2: Convert to fraction form
   55,535.20/83,702.56 = 47,836.96/x
3. Step 3: Cross multiply
   55,535.20x = 83,702.56 × 47,836.96
4. Step 4: Simplify right side
   55,535.20x = 4,004,076,014.62
5. Step 5: Solve for x
   x = 4,004,076,014.62/55,535.20
6. Step 6: Final answer
   x = 72,099.79