Finding the Fourth Proportional to 58,233.60, 80,323.20 and 39,340.80

Step by Step Solution

1. Step 1: Write the proportion equation
   58,233.60 : 80,323.20 = 39,340.80 : x
2. Step 2: Convert to fraction form
   58,233.60/80,323.20 = 39,340.80/x
3. Step 3: Cross multiply
   58,233.60x = 80,323.20 × 39,340.80
4. Step 4: Simplify right side
   58,233.60x = 3,159,978,946.56
5. Step 5: Solve for x
   x = 3,159,978,946.56/58,233.60
6. Step 6: Final answer
   x = 54,263.84