Finding the Fourth Proportional to 70,581.94, 105,816.42 and 36,831.02

Step by Step Solution

1. Step 1: Write the proportion equation
   70,581.94 : 105,816.42 = 36,831.02 : x
2. Step 2: Convert to fraction form
   70,581.94/105,816.42 = 36,831.02/x
3. Step 3: Cross multiply
   70,581.94x = 105,816.42 × 36,831.02
4. Step 4: Simplify right side
   70,581.94x = 3,897,326,152.27
5. Step 5: Solve for x
   x = 3,897,326,152.27/70,581.94
6. Step 6: Final answer
   x = 55,217.05