Finding the Fourth Proportional to 120,932.38, 166,885.71 and 65,741.35

Step by Step Solution

1. Step 1: Write the proportion equation
   120,932.38 : 166,885.71 = 65,741.35 : x
2. Step 2: Convert to fraction form
   120,932.38/166,885.71 = 65,741.35/x
3. Step 3: Cross multiply
   120,932.38x = 166,885.71 × 65,741.35
4. Step 4: Simplify right side
   120,932.38x = 10,971,291,871.11
5. Step 5: Solve for x
   x = 10,971,291,871.11/120,932.38
6. Step 6: Final answer
   x = 90,722.53