Finding the Fourth Proportional to 58,365.35, 80,869.46 and 57,104.18

Step by Step Solution

1. Step 1: Write the proportion equation
   58,365.35 : 80,869.46 = 57,104.18 : x
2. Step 2: Convert to fraction form
   58,365.35/80,869.46 = 57,104.18/x
3. Step 3: Cross multiply
   58,365.35x = 80,869.46 × 57,104.18
4. Step 4: Simplify right side
   58,365.35x = 4,617,983,510.47
5. Step 5: Solve for x
   x = 4,617,983,510.47/58,365.35
6. Step 6: Final answer
   x = 79,122.01