Finding the Fourth Proportional to 65,180.75, 89,950.70 and 42,534.23

Step by Step Solution

1. Step 1: Write the proportion equation
   65,180.75 : 89,950.70 = 42,534.23 : x
2. Step 2: Convert to fraction form
   65,180.75/89,950.70 = 42,534.23/x
3. Step 3: Cross multiply
   65,180.75x = 89,950.70 × 42,534.23
4. Step 4: Simplify right side
   65,180.75x = 3,825,983,419.04
5. Step 5: Solve for x
   x = 3,825,983,419.04/65,180.75
6. Step 6: Final answer
   x = 58,698.06