Finding the Fourth Proportional to 92,983.01, 139,367.59 and 42,958.01

Step by Step Solution

1. Step 1: Write the proportion equation
   92,983.01 : 139,367.59 = 42,958.01 : x
2. Step 2: Convert to fraction form
   92,983.01/139,367.59 = 42,958.01/x
3. Step 3: Cross multiply
   92,983.01x = 139,367.59 × 42,958.01
4. Step 4: Simplify right side
   92,983.01x = 5,986,954,565.92
5. Step 5: Solve for x
   x = 5,986,954,565.92/92,983.01
6. Step 6: Final answer
   x = 64,387.62