Finding the Fourth Proportional to 53,591.89, 73,871.58 and 42,242.98

Step by Step Solution

1. Step 1: Write the proportion equation
   53,591.89 : 73,871.58 = 42,242.98 : x
2. Step 2: Convert to fraction form
   53,591.89/73,871.58 = 42,242.98/x
3. Step 3: Cross multiply
   53,591.89x = 73,871.58 × 42,242.98
4. Step 4: Simplify right side
   53,591.89x = 3,120,555,676.51
5. Step 5: Solve for x
   x = 3,120,555,676.51/53,591.89
6. Step 6: Final answer
   x = 58,228.13