Finding the Fourth Proportional to 65,951.97, 91,009.40 and 42,076.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,951.97 : 91,009.40 = 42,076.10 : x
2. Step 2: Convert to fraction form
   65,951.97/91,009.40 = 42,076.10/x
3. Step 3: Cross multiply
   65,951.97x = 91,009.40 × 42,076.10
4. Step 4: Simplify right side
   65,951.97x = 3,829,319,949.91
5. Step 5: Solve for x
   x = 3,829,319,949.91/65,951.97
6. Step 6: Final answer
   x = 58,062.25