Finding the Fourth Proportional to 120,004.02, 165,605.62 and 65,556.92

Step by Step Solution

1. Step 1: Write the proportion equation
   120,004.02 : 165,605.62 = 65,556.92 : x
2. Step 2: Convert to fraction form
   120,004.02/165,605.62 = 65,556.92/x
3. Step 3: Cross multiply
   120,004.02x = 165,605.62 × 65,556.92
4. Step 4: Simplify right side
   120,004.02x = 10,856,594,381.89
5. Step 5: Solve for x
   x = 10,856,594,381.89/120,004.02
6. Step 6: Final answer
   x = 90,468.59