Finding the Fourth Proportional to 71,491.86, 107,216.91 and 27,086.58

Step by Step Solution

1. Step 1: Write the proportion equation
   71,491.86 : 107,216.91 = 27,086.58 : x
2. Step 2: Convert to fraction form
   71,491.86/107,216.91 = 27,086.58/x
3. Step 3: Cross multiply
   71,491.86x = 107,216.91 × 27,086.58
4. Step 4: Simplify right side
   71,491.86x = 2,904,139,410.07
5. Step 5: Solve for x
   x = 2,904,139,410.07/71,491.86
6. Step 6: Final answer
   x = 40,621.96