Finding the Fourth Proportional to 28,410.76, 42,280.70 and 27,464.71

Step by Step Solution

1. Step 1: Write the proportion equation
   28,410.76 : 42,280.70 = 27,464.71 : x
2. Step 2: Convert to fraction form
   28,410.76/42,280.70 = 27,464.71/x
3. Step 3: Cross multiply
   28,410.76x = 42,280.70 × 27,464.71
4. Step 4: Simplify right side
   28,410.76x = 1,161,227,164.10
5. Step 5: Solve for x
   x = 1,161,227,164.10/28,410.76
6. Step 6: Final answer
   x = 40,872.79