Finding the Fourth Proportional to 83,315.71, 124,949.67 and 27,160.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,315.71 : 124,949.67 = 27,160.72 : x
2. Step 2: Convert to fraction form
   83,315.71/124,949.67 = 27,160.72/x
3. Step 3: Cross multiply
   83,315.71x = 124,949.67 × 27,160.72
4. Step 4: Simplify right side
   83,315.71x = 3,393,723,000.96
5. Step 5: Solve for x
   x = 3,393,723,000.96/83,315.71
6. Step 6: Final answer
   x = 40,733.29