Finding the Fourth Proportional to 78,544.06, 108,393.50 and 42,735.43

Step by Step Solution

1. Step 1: Write the proportion equation
   78,544.06 : 108,393.50 = 42,735.43 : x
2. Step 2: Convert to fraction form
   78,544.06/108,393.50 = 42,735.43/x
3. Step 3: Cross multiply
   78,544.06x = 108,393.50 × 42,735.43
4. Step 4: Simplify right side
   78,544.06x = 4,632,242,831.71
5. Step 5: Solve for x
   x = 4,632,242,831.71/78,544.06
6. Step 6: Final answer
   x = 58,976.36