Finding the Fourth Proportional to 83,917.28, 125,877.59 and 31,316.27

Step by Step Solution

1. Step 1: Write the proportion equation
   83,917.28 : 125,877.59 = 31,316.27 : x
2. Step 2: Convert to fraction form
   83,917.28/125,877.59 = 31,316.27/x
3. Step 3: Cross multiply
   83,917.28x = 125,877.59 × 31,316.27
4. Step 4: Simplify right side
   83,917.28x = 3,942,016,044.29
5. Step 5: Solve for x
   x = 3,942,016,044.29/83,917.28
6. Step 6: Final answer
   x = 46,975.02