Finding the Fourth Proportional to 120,432.48, 166,196.83 and 65,984.88

Step by Step Solution

1. Step 1: Write the proportion equation
   120,432.48 : 166,196.83 = 65,984.88 : x
2. Step 2: Convert to fraction form
   120,432.48/166,196.83 = 65,984.88/x
3. Step 3: Cross multiply
   120,432.48x = 166,196.83 × 65,984.88
4. Step 4: Simplify right side
   120,432.48x = 10,966,477,883.93
5. Step 5: Solve for x
   x = 10,966,477,883.93/120,432.48
6. Step 6: Final answer
   x = 91,059.14