Finding the Fourth Proportional to 65,962.23, 91,023.37 and 42,086.26

Step by Step Solution

1. Step 1: Write the proportion equation
   65,962.23 : 91,023.37 = 42,086.26 : x
2. Step 2: Convert to fraction form
   65,962.23/91,023.37 = 42,086.26/x
3. Step 3: Cross multiply
   65,962.23x = 91,023.37 × 42,086.26
4. Step 4: Simplify right side
   65,962.23x = 3,830,833,215.90
5. Step 5: Solve for x
   x = 3,830,833,215.90/65,962.23
6. Step 6: Final answer
   x = 58,076.16