Finding the Fourth Proportional to 65,187.00, 89,959.33 and 42,540.48

Step by Step Solution

1. Step 1: Write the proportion equation
   65,187.00 : 89,959.33 = 42,540.48 : x
2. Step 2: Convert to fraction form
   65,187.00/89,959.33 = 42,540.48/x
3. Step 3: Cross multiply
   65,187.00x = 89,959.33 × 42,540.48
4. Step 4: Simplify right side
   65,187.00x = 3,826,912,628.88
5. Step 5: Solve for x
   x = 3,826,912,628.88/65,187.00
6. Step 6: Final answer
   x = 58,706.69