Finding the Fourth Proportional to 199,111.68, 274,765.20 and 116,333.34

Step by Step Solution

1. Step 1: Write the proportion equation
   199,111.68 : 274,765.20 = 116,333.34 : x
2. Step 2: Convert to fraction form
   199,111.68/274,765.20 = 116,333.34/x
3. Step 3: Cross multiply
   199,111.68x = 274,765.20 × 116,333.34
4. Step 4: Simplify right side
   199,111.68x = 31,964,353,431.77
5. Step 5: Solve for x
   x = 31,964,353,431.77/199,111.68
6. Step 6: Final answer
   x = 160,534.80