Finding the Fourth Proportional to 120,023.42, 165,633.54 and 83,777.54

Step by Step Solution

1. Step 1: Write the proportion equation
   120,023.42 : 165,633.54 = 83,777.54 : x
2. Step 2: Convert to fraction form
   120,023.42/165,633.54 = 83,777.54/x
3. Step 3: Cross multiply
   120,023.42x = 165,633.54 × 83,777.54
4. Step 4: Simplify right side
   120,023.42x = 13,876,370,522.69
5. Step 5: Solve for x
   x = 13,876,370,522.69/120,023.42
6. Step 6: Final answer
   x = 115,613.86