Finding the Fourth Proportional to 78,111.55, 117,148.80 and 33,714.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,111.55 : 117,148.80 = 33,714.05 : x
2. Step 2: Convert to fraction form
   78,111.55/117,148.80 = 33,714.05/x
3. Step 3: Cross multiply
   78,111.55x = 117,148.80 × 33,714.05
4. Step 4: Simplify right side
   78,111.55x = 3,949,560,500.64
5. Step 5: Solve for x
   x = 3,949,560,500.64/78,111.55
6. Step 6: Final answer
   x = 50,563.08