Finding the Fourth Proportional to 83,145.27, 124,685.55 and 26,971.79

Step by Step Solution

1. Step 1: Write the proportion equation
   83,145.27 : 124,685.55 = 26,971.79 : x
2. Step 2: Convert to fraction form
   83,145.27/124,685.55 = 26,971.79/x
3. Step 3: Cross multiply
   83,145.27x = 124,685.55 × 26,971.79
4. Step 4: Simplify right side
   83,145.27x = 3,362,992,470.63
5. Step 5: Solve for x
   x = 3,362,992,470.63/83,145.27
6. Step 6: Final answer
   x = 40,447.19