Finding the Fourth Proportional to 53,559.98, 73,915.20 and 30,591.82

Step by Step Solution

1. Step 1: Write the proportion equation
   53,559.98 : 73,915.20 = 30,591.82 : x
2. Step 2: Convert to fraction form
   53,559.98/73,915.20 = 30,591.82/x
3. Step 3: Cross multiply
   53,559.98x = 73,915.20 × 30,591.82
4. Step 4: Simplify right side
   53,559.98x = 2,261,200,308.88
5. Step 5: Solve for x
   x = 2,261,200,308.88/53,559.98
6. Step 6: Final answer
   x = 42,218.09