Finding the Fourth Proportional to 58,255.71, 80,360.42 and 40,361.19

Step by Step Solution

1. Step 1: Write the proportion equation
   58,255.71 : 80,360.42 = 40,361.19 : x
2. Step 2: Convert to fraction form
   58,255.71/80,360.42 = 40,361.19/x
3. Step 3: Cross multiply
   58,255.71x = 80,360.42 × 40,361.19
4. Step 4: Simplify right side
   58,255.71x = 3,243,441,978.29
5. Step 5: Solve for x
   x = 3,243,441,978.29/58,255.71
6. Step 6: Final answer
   x = 55,675.95