Finding the Fourth Proportional to 78,093.83, 117,116.49 and 28,167.44

Step by Step Solution

1. Step 1: Write the proportion equation
   78,093.83 : 117,116.49 = 28,167.44 : x
2. Step 2: Convert to fraction form
   78,093.83/117,116.49 = 28,167.44/x
3. Step 3: Cross multiply
   78,093.83x = 117,116.49 × 28,167.44
4. Step 4: Simplify right side
   78,093.83x = 3,298,871,119.50
5. Step 5: Solve for x
   x = 3,298,871,119.50/78,093.83
6. Step 6: Final answer
   x = 42,242.40