Finding the Fourth Proportional to 120,059.68, 165,677.52 and 69,754.72

Step by Step Solution

1. Step 1: Write the proportion equation
   120,059.68 : 165,677.52 = 69,754.72 : x
2. Step 2: Convert to fraction form
   120,059.68/165,677.52 = 69,754.72/x
3. Step 3: Cross multiply
   120,059.68x = 165,677.52 × 69,754.72
4. Step 4: Simplify right side
   120,059.68x = 11,556,789,017.89
5. Step 5: Solve for x
   x = 11,556,789,017.89/120,059.68
6. Step 6: Final answer
   x = 96,258.70