Finding the Fourth Proportional to 78,481.03, 108,303.27 and 42,671.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,481.03 : 108,303.27 = 42,671.05 : x
2. Step 2: Convert to fraction form
   78,481.03/108,303.27 = 42,671.05/x
3. Step 3: Cross multiply
   78,481.03x = 108,303.27 × 42,671.05
4. Step 4: Simplify right side
   78,481.03x = 4,621,414,249.33
5. Step 5: Solve for x
   x = 4,621,414,249.33/78,481.03
6. Step 6: Final answer
   x = 58,885.75