Finding the Fourth Proportional to 65,960.04, 91,045.52 and 42,086.67

Step by Step Solution

1. Step 1: Write the proportion equation
   65,960.04 : 91,045.52 = 42,086.67 : x
2. Step 2: Convert to fraction form
   65,960.04/91,045.52 = 42,086.67/x
3. Step 3: Cross multiply
   65,960.04x = 91,045.52 × 42,086.67
4. Step 4: Simplify right side
   65,960.04x = 3,831,802,860.44
5. Step 5: Solve for x
   x = 3,831,802,860.44/65,960.04
6. Step 6: Final answer
   x = 58,092.79