Finding the Fourth Proportional to 65,962.73, 91,024.07 and 42,086.76

Step by Step Solution

1. Step 1: Write the proportion equation
   65,962.73 : 91,024.07 = 42,086.76 : x
2. Step 2: Convert to fraction form
   65,962.73/91,024.07 = 42,086.76/x
3. Step 3: Cross multiply
   65,962.73x = 91,024.07 × 42,086.76
4. Step 4: Simplify right side
   65,962.73x = 3,830,907,977.88
5. Step 5: Solve for x
   x = 3,830,907,977.88/65,962.73
6. Step 6: Final answer
   x = 58,076.86