Finding the Fourth Proportional to 65,181.25, 89,951.40 and 42,534.73

Step by Step Solution

1. Step 1: Write the proportion equation
   65,181.25 : 89,951.40 = 42,534.73 : x
2. Step 2: Convert to fraction form
   65,181.25/89,951.40 = 42,534.73/x
3. Step 3: Cross multiply
   65,181.25x = 89,951.40 × 42,534.73
4. Step 4: Simplify right side
   65,181.25x = 3,826,057,849.69
5. Step 5: Solve for x
   x = 3,826,057,849.69/65,181.25
6. Step 6: Final answer
   x = 58,698.75