Finding the Fourth Proportional to 120,034.02, 165,632.83 and 66,315.83

Step by Step Solution

1. Step 1: Write the proportion equation
   120,034.02 : 165,632.83 = 66,315.83 : x
2. Step 2: Convert to fraction form
   120,034.02/165,632.83 = 66,315.83/x
3. Step 3: Cross multiply
   120,034.02x = 165,632.83 × 66,315.83
4. Step 4: Simplify right side
   120,034.02x = 10,984,078,596.70
5. Step 5: Solve for x
   x = 10,984,078,596.70/120,034.02
6. Step 6: Final answer
   x = 91,508.05