Finding the Fourth Proportional to 37,839.83, 52,161.91 and 31,113.79

Step by Step Solution

1. Step 1: Write the proportion equation
   37,839.83 : 52,161.91 = 31,113.79 : x
2. Step 2: Convert to fraction form
   37,839.83/52,161.91 = 31,113.79/x
3. Step 3: Cross multiply
   37,839.83x = 52,161.91 × 31,113.79
4. Step 4: Simplify right side
   37,839.83x = 1,622,954,505.55
5. Step 5: Solve for x
   x = 1,622,954,505.55/37,839.83
6. Step 6: Final answer
   x = 42,890.12