Finding the Fourth Proportional to 78,303.53, 108,058.94 and 42,493.54

Step by Step Solution

1. Step 1: Write the proportion equation
   78,303.53 : 108,058.94 = 42,493.54 : x
2. Step 2: Convert to fraction form
   78,303.53/108,058.94 = 42,493.54/x
3. Step 3: Cross multiply
   78,303.53x = 108,058.94 × 42,493.54
4. Step 4: Simplify right side
   78,303.53x = 4,591,806,768.59
5. Step 5: Solve for x
   x = 4,591,806,768.59/78,303.53
6. Step 6: Final answer
   x = 58,641.12