Finding the Fourth Proportional to 42,086.22, 63,131.48 and 39,958

Step by Step Solution

1. Step 1: Write the proportion equation
   42,086.22 : 63,131.48 = 39,958 : x
2. Step 2: Convert to fraction form
   42,086.22/63,131.48 = 39,958/x
3. Step 3: Cross multiply
   42,086.22x = 63,131.48 × 39,958
4. Step 4: Simplify right side
   42,086.22x = 2,522,607,677.84
5. Step 5: Solve for x
   x = 2,522,607,677.84/42,086.22
6. Step 6: Final answer
   x = 59,939.04