Finding the Fourth Proportional to 78,713.73, 108,626.67 and 42,905.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,713.73 : 108,626.67 = 42,905.52 : x
2. Step 2: Convert to fraction form
   78,713.73/108,626.67 = 42,905.52/x
3. Step 3: Cross multiply
   78,713.73x = 108,626.67 × 42,905.52
4. Step 4: Simplify right side
   78,713.73x = 4,660,683,762.22
5. Step 5: Solve for x
   x = 4,660,683,762.22/78,713.73
6. Step 6: Final answer
   x = 59,210.56